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Longer titles found: Dehydrogenation of amine-boranes (view)

searching for Boranes 76 found (289 total)

alternate case: boranes

Hydroboration (1,800 words) [view diff] exact match in snippet view article find links to article

significant rate difference in producing di- and tri-alkyl boranes is useful in the synthesis of bulky boranes that can enhance regioselectivity. For trisubstituted

Organoboron chemistry (2,451 words) [view diff] exact match in snippet view article find links to article

typically, they are organic derivatives of borane (BH3), as in the trialkyl boranes. Organoboranes and -borates enable many chemical transformations in organic

Jemmis mno rules (1,581 words) [view diff] exact match in snippet view article find links to article

the structures of condensed polyhedral boranes such as B20H16, which are obtained by condensing polyhedral boranes by sharing a triangular face, an edge

Dimerization (chemistry) (1,372 words) [view diff] no match in snippet view article

In chemistry, dimerization is the process of joining two identical or similar molecular entities by bonds. The resulting bonds can be either strong or

Barton–McCombie deoxygenation (789 words) [view diff] no match in snippet view article find links to article

The Barton–McCombie deoxygenation is an organic reaction in which a hydroxy functional group in an organic compound is replaced by a hydrogen to give an

Gutmann–Beckett method (973 words) [view diff] exact match in snippet view article find links to article

"frustrated Lewis pairs": facile formation of phosphine-boranes and cationic phosphonium-boranes", Dalton Trans., 2007, 3407–3414. doi: 10.1039/b704417h

Diisopinocampheylborane (871 words) [view diff] exact match in snippet view article find links to article

and Brown in a pioneering demonstration of asymmetric synthesis using boranes. The reagent is mainly used for the synthesis of chiral secondary alcohols

William Lipscomb (5,957 words) [view diff] exact match in snippet view article find links to article

structure determination, for new polyborane species and for substituted boranes and carboranes, would be greatly accelerated if the [boron-11] nuclear

Phosphine-borane (247 words) [view diff] exact match in snippet view article find links to article

In chemistry, phosphine-boranes are organophosphorus compounds with the formula R3−nHnPBH3. They are Lewis acid-Lewis base adducts derived from organophosphines

Methyldiborane (2,131 words) [view diff] exact match in snippet view article find links to article

of a methyl group substituted for a hydrogen in diborane. As with other boranes it exists in the form of a dimer with a twin hydrogen bridge that uses

Tetramethyldiborane (1,664 words) [view diff] exact match in snippet view article find links to article

consisting of a methyl group substituted for a hydrogen in borane. As for other boranes it normally exists in the form of a dimer called tetramethyldiborane or

Norio Miyaura (1,071 words) [view diff] exact match in snippet view article find links to article

bond-forming reactions) and addition / coupling reactions of diborons and boranes (to synthesize organoboronic acids and esters through B-C bond-forming

Enantioselective reduction of ketones (1,406 words) [view diff] exact match in snippet view article find links to article

sodium borohydride, alkoxy borohydrides, alkoxy aluminium hydrides, and boranes. Although stoichiometric chiral reducing agents often afford products with

Vibration theory of olfaction (3,856 words) [view diff] no match in snippet view article find links to article

The vibration theory of smell proposes that a molecule's smell character is due to its vibrational frequency in the infrared range. This controversial

Hui Wu (520 words) [view diff] exact match in snippet view article find links to article

materials for fuel cells based on the complex chemistry of amines and boranes. In 1999, Wu completed a dual B.S. in materials science and engineering

Alkyne (2,689 words) [view diff] exact match in snippet view article find links to article

across C≡C is general for silanes, boranes, and related hydrides. The hydroboration of alkynes gives vinylic boranes which oxidize to the corresponding

Inorganic polymer (863 words) [view diff] exact match in snippet view article find links to article

S. Weller (2015). "The Catalytic Dehydrocoupling of Amine–Boranes and Phosphine–Boranes". Synthesis and Application of Organoboron Compounds. Topics

2-Norbornyl cation (5,919 words) [view diff] exact match in snippet view article find links to article

bonds. Similarities can be seen between this cation and others, such as boranes. The nature of bonding in the 2-norbornyl cation was the center of a vigorous

Carbonyl allylation (1,018 words) [view diff] exact match in snippet view article find links to article

preformed allyl metal reagents. The approach is well developed using allyl boranes (13) As illustrated by the Keck allylation, catalytic enantioselective

Hydrogen storage (14,154 words) [view diff] exact match in snippet view article find links to article

amine boranes, boron hydride ammoniates, hydrazine-borane complexes, and ammonium octahydrotriborates or tetrahydroborates. Of these, amine boranes (and

Tris(pentafluorophenyl)borane (1,100 words) [view diff] exact match in snippet view article

H2: (C6F5)3B + PCy3 + H2 → (C6F5)3BH− + HPCy3+ Many related phosphines, boranes, and substrates participate in related reactions. (C6F5)3B was used to

Swern oxidation (1,019 words) [view diff] exact match in snippet view article find links to article

J. Jr.; Burkhardt, Elizabeth R.; Matos, Karl (2006). "Safe Handling of Boranes at Scale". Org. Process Res. Dev. 10 (6): 1292–1295. doi:10.1021/op068011l

Organophosphine (1,699 words) [view diff] exact match in snippet view article find links to article

formed from phosphines and borane are useful reagents. These phosphine-boranes are air-stable, but the borane protecting group can be removed by treatment

Three-center bond (72 words) [view diff] exact match in snippet view article find links to article

Three-center two-electron bond, found in electron-deficient compounds such as boranes Three-center four-electron bond, found in hypervalent compounds such as

Boroxine (909 words) [view diff] exact match in snippet view article find links to article

temperature reaction of water and elemental boron or reaction of various boranes (B2H6 or B5H9) with O2. It is thermodynamically unstable with respect to

Trimethyldiborane (1,352 words) [view diff] exact match in snippet view article find links to article

A gas chromatograph can be used to determine the amounts of the methyl boranes in a mixture. The order they pass through are diborane, monomethyldiborane

Diglyme (508 words) [view diff] exact match in snippet view article find links to article

doi:10.15227/orgsyn.053.0052. Michael W. Rathke; Alan A. Millard (1978). "Boranes in Functionalization of Olefins to Amines: 3-Pinanamine". Organic Syntheses

Tetrahydrofuran (1,646 words) [view diff] exact match in snippet view article find links to article

basic than diethyl ether and forms stronger complexes with Li+, Mg2+, and boranes. It is a popular solvent for hydroboration reactions and for organometallic

Hydroboration–oxidation reaction (848 words) [view diff] exact match in snippet view article find links to article

22 (9): 1137. doi:10.1021/jo01360a626. Hawthorne, M. F. (1961). "Amine Boranes. VIII. The Hydroboration of Terminal Olefins, Dienes and Terminal Acetylenes

1,1-Dimethyldiborane (1,065 words) [view diff] exact match in snippet view article find links to article

Gas chromatography can be used to determine the amounts of the methyl boranes in a mixture. The order they elute are diborane, monomethyldiborane, trimethylborane

Kipp's apparatus (1,332 words) [view diff] exact match in snippet view article find links to article

magnesium germanide Stannanes from stannides, e.g. magnesium stannide Boranes from borides (e.g. tetraborane from magnesium boride, aluminium boride

Phosphine oxide (1,456 words) [view diff] exact match in snippet view article find links to article

R3PO + Si3Cl8 → 2 R3P + Si3O2Cl8 Deoxygenation has been effected with boranes and alanes. Phosphoric acids ((RO)2PO2H) catalyze the deoxygenation of

Sigma-Aldrich (1,448 words) [view diff] exact match in snippet view article find links to article

1-methyl-3-nitro-1-nitrosoguanidine. 1966 – Aldrich's IPO 1972 – Subsidiary Aldrich-Boranes launched to manufacture hydroboration products 1975 – Merger of Sigma Chemical

Titanium butoxide (635 words) [view diff] exact match in snippet view article find links to article

inorganic hydroxides and peroxides, bases, amines, amides, isocyanates and boranes. It is irritating to skin and eyes, and causes nausea and vomiting if swallowed

George C. Pimentel (805 words) [view diff] exact match in snippet view article find links to article

University of California, Berkeley Thesis I. Spectroscopic study of two Boranes / II. Thermocouples involving superconductors (1949) Doctoral advisor Kenneth

Herbert C. Brown (1,391 words) [view diff] exact match in snippet view article find links to article

for producing sodium borohydride (NaBH4), which can be used to produce boranes, compounds of boron and hydrogen. His work led to the discovery of the

Tuck-in complex (425 words) [view diff] exact match in snippet view article find links to article

Derived from "Tucked-In" Catalyst Precursors and the Highly Electrophilic Boranes". Journal of the American Chemical Society. 119: 5132–5143. doi:10.1021/ja970140h

Elias James Corey (5,646 words) [view diff] exact match in snippet view article find links to article

ketones to alcohols through an oxazaborolidine catalyst, with various boranes as the stoichiometric reductant. The Corey group first demonstrated the

Constrained geometry complex (618 words) [view diff] exact match in snippet view article find links to article

with co-catalysts, e.g. methylaluminoxane (MAO), tris(pentafluorophenyl)boranes, and trityl borates. The catalytic systems based on CGCs, however, display

9-Borabicyclo(3.3.1)nonane (392 words) [view diff] exact match in snippet view article

Organoboron chemistry Boron Brown, H. C. (1975). Organic Syntheses via Boranes. New York: John Wiley & Sons. ISBN 0-471-11280-1. Stix, Gary. "The Straight

Borylation (3,976 words) [view diff] exact match in snippet view article find links to article

ethers or aryl amines. Organoboron chemistry Reactions of organoborates and boranes Corey–Itsuno reduction Midland Alpine borane reduction Petasis reaction

Zintl phase (3,711 words) [view diff] exact match in snippet view article find links to article

however the geometries Zintl ions can be well described by Wade’s rules of boranes. Wade’s rules offer an alternative model for the relationship between geometry

Pinacolborane (446 words) [view diff] exact match in snippet view article find links to article

ISBN 9780470842898. Brown, H.C.; Zaidlewicz, M. (2001). Organic Syntheses Via Boranes, Vol. 2. Milwaukee, WI: Aldrich Chemical Co. ISBN 978-0-9708441-0-1. Ely

Lewis acids and bases (2,761 words) [view diff] exact match in snippet view article find links to article

polarizable. typical hard acids: H+, alkali/alkaline earth metal cations, boranes, Zn2+ typical soft acids: Ag+, Mo(0), Ni(0), Pt2+ typical hard bases: ammonia

Hydrogen compounds (1,492 words) [view diff] exact match in snippet view article find links to article

This function is particularly common in group 13 elements, especially in boranes (boron hydrides) and aluminium complexes, as well as in clustered carboranes

Sodium borohydride (2,615 words) [view diff] exact match in snippet view article find links to article

1002/047084289X.rs052. ISBN 978-0471936237. Brown, H. C. "Organic Syntheses via Boranes" John Wiley & Sons, Inc. New York: 1975. ISBN 0-471-11280-1. page 260-261

Schlenk line (1,115 words) [view diff] exact match in snippet view article find links to article

1021/acs.oprd.8b00151. S2CID 103573742. Brown, H. C. "Organic Syntheses via Boranes" John Wiley & Sons, Inc., New York: 1975. ISBN 0-471-11280-1. Sella, Andrea

Phenylboronic acid (882 words) [view diff] exact match in snippet view article find links to article

Soc.: 2171. doi:10.1039/JR9300002171. Brown, H.C. Organic Synthesis via Boranes, Wiley, New York, 1975. ISBN 0471112801 Matteson, D. S. Stereodirected

Boran (2,721 words) [view diff] no match in snippet view article find links to article

(10th-Century) and in Michael the Syrian's Chronicle (12th-Century), as Βοράνη(ς) (Boránes) in Theophanes the Confessor's Chronicle (9th-Century), as Բորն (Born)

Frederick N. Tebbe (1,423 words) [view diff] exact match in snippet view article find links to article

10B NMR spectroscopy to understand the mechanism of the aggregation of boranes into the homologs B4H10, B5H9, and B5H11. He demonstrated that 10B-enriched

Hydroxylamine (2,574 words) [view diff] exact match in snippet view article find links to article

2001. Schupf Computational Chemistry Lab M. W. Rathke A. A. Millard "Boranes in Functionalization of Olefins to Amines: 3-Pinanamine" Organic Syntheses

John David Kennedy (483 words) [view diff] exact match in snippet view article find links to article

obtained through the introduction of metals and heteroatoms into polyhedral boranes: these "disobedient skeletons", some described as "iso-nido" or "iso-closo"

Boranylium ions (2,860 words) [view diff] exact match in snippet view article find links to article

metal-free H2 activation and hydrogenation catalysts. Unlike the neutral boranes typically used in frustrated Lewis pair (FLP) chemistry of this type, borenium

Air-free technique (1,929 words) [view diff] exact match in snippet view article find links to article

1021/acs.oprd.8b00151. S2CID 103573742. Brown, H. C. “Organic Syntheses via Boranes” John Wiley & Sons, Inc. New York: 1975. ISBN 0-471-11280-1. "Freeze-Pump-Thaw

Phosphinimide ligands (487 words) [view diff] exact match in snippet view article find links to article

; Mallov, Ian; Stephan, Douglas W. (2014). "Phosphinimine-substituted boranes and borenium ions". Dalton Transactions. 43 (40): 15201–15211. doi:10.1039/C4DT02406K

Concurrent tandem catalysis (882 words) [view diff] exact match in snippet view article find links to article

out by a second catalyst. This system suffers in practice. Electrophilic boranes activate the chelated nickel catalyst to oligomerize ethylene into α-butylene

Hydrogen (12,439 words) [view diff] exact match in snippet view article find links to article

This function is particularly common in group 13 elements, especially in boranes (boron hydrides) and aluminium complexes, as well as in clustered carboranes

Alkenylaluminium compounds (1,660 words) [view diff] exact match in snippet view article find links to article

1982, 3327. Negishi, E.-i.; Jadhav, K. P.; Daotien, N. Tetrahedron Lett. 1982, 2085. Brown, H. C. Organic Syntheses via Boranes, Wiley, New York, 1975.

X-ray crystallography (11,085 words) [view diff] exact match in snippet view article find links to article

1976 William N. Lipscomb Chemistry "For his studies on the structure of boranes illuminating problems of chemical bonding" 1985 Jerome Karle Chemistry

Cathleen Crudden (1,138 words) [view diff] exact match in snippet view article find links to article

identify an enantiospecific Suzuki-Miyaura cross-coupling reaction of chiral boranes. In 2014 she designed more stable nitrogen-based self-assembled monolayer

Zirconocene bis(trimethylsilyl)acetylene pyridine (1,923 words) [view diff] exact match in snippet view article

Rosenthal reagent reactivity, demonstrating its reaction with bis(alkylnyl)boranes in an attempt to create compounds capable of activating small molecules

Boron neutron capture therapeutics (2,248 words) [view diff] exact match in snippet view article find links to article

Miller, N. E.; Muetterties, E. L. (1964). "Chemistry of Boranes. XX. Syntheses of Polyhedral Boranes". Inorganic Chemistry. 3 (10): 1456–1463. doi:10.1021/ic50020a026

Allotropes of boron (3,225 words) [view diff] exact match in snippet view article find links to article

Pancharatna, P.D. (2001). "A Unifying Electron-Counting Rule for Macropolyhedral Boranes, Metallaboranes, and Metallocenes". J. Am. Chem. Soc. 123 (18): 4313–4323

Carboboration (1,638 words) [view diff] exact match in snippet view article find links to article

Lewis acid. Boranes which are stronger Lewis acids are better electrophiles and therefore better able to facilitate carboboration. Boranes can be optimized

Hydroxylamine-O-sulfonic acid (1,591 words) [view diff] exact match in snippet view article find links to article

doi:10.1002/zaac.19251470115. Rathke, Michael W.; Millard, Alan A. (1978). "Boranes in functionalization of olefins to amines: 3-Pinanamine (Bicyclo[3.1.1]heptan-3-amine

Maya Inchikyan (368 words) [view diff] exact match in snippet view article find links to article

halogen). Among her patents are: Method for producing dialkylaminodi(alkyl)boranes, Method for producing mixed formals, Method for producing triphenyl or

Borepin (2,457 words) [view diff] exact match in snippet view article find links to article

utilize borepins as potential anion sensors. In the past, tri-coordinate boranes have been used to detect anions like fluoride, cyanide, and even ammonia

Ethylene oxide (11,529 words) [view diff] exact match in snippet view article find links to article

ethanol in the presence of a catalyst, such as nickel, platinum, palladium, boranes, lithium aluminium hydride and some other hydrides. ( CH 2 CH 2 ) O + H

List of Alpha Chi Sigma members (773 words) [view diff] exact match in snippet view article find links to article

Lipscomb, Alpha Gamma 1939 (1976), "for his studies on the structure of boranes illuminating problems of chemical bonding" Alan MacDiarmid, Alpha 1951

N-Heterocyclic carbene boryl anion (2,450 words) [view diff] exact match in snippet view article find links to article

Structure and Photophysics in Pyrene- and Benzene-Fused N-Heterocyclic Boranes". Chemistry: A European Journal. 26 (44): 10072–10082. doi:10.1002/chem

Borylene (2,851 words) [view diff] exact match in snippet view article find links to article

generated via reduction of an organoborane dichloride, but photolysis of other boranes can also afford short-lived borylene species. As might be expected, calculations

Group 13/15 multiple bonds (3,100 words) [view diff] exact match in snippet view article find links to article

Amy N.; Cowley, Michael J. (2016-03-15). "Base-Stabilized Phosphinidene Boranes by Silylium-Ion Abstraction". Chemistry - A European Journal. 22 (18):

Timeline of crystallography (13,668 words) [view diff] exact match in snippet view article find links to article

won the Nobel Prize in Chemistry “for his studies on the structure of boranes illuminating problems of chemical bonding.” 1978 - Stephen C. Harrison

List of California Institute of Technology people (14,260 words) [view diff] exact match in snippet view article find links to article

Nobel laureate in chemistry (1976) "for his studies on the structure of boranes illuminating problems of chemical bonding" James Mayer, PhD 1982; Charlotte

Silicon compounds (5,607 words) [view diff] exact match in snippet view article find links to article

as contaminants of his focus, the boron hydrides. The names silanes and boranes are his, based on analogy with the alkanes. The Moissan and Smiles method

List of American Nobel laureates (187 words) [view diff] exact match in snippet view article find links to article

William Lipscomb Cleveland, Ohio, US "for his studies on the structure of boranes illuminating problems of chemical bonding" 1974 Paul J. Flory Sterling