George Zweifel

Chemistry · Physical Sciences

46h-index5.7kcitations180works0.02yr avg
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Research Topics

Chemical Synthesis and Reactions(63), Organoboron and organosilicon chemistry(61), Asymmetric Synthesis and Catalysis(41), Synthetic Organic Chemistry Methods(29), Asymmetric Hydrogenation and Catalysis(23)

Publications180 total

Modern Organic Synthesis: An Introduction
2017· 57 cited
Hydration of Olefins, Dienes, and Acetylenes <scp>via</scp> Hydroboration
Organic reactions·2011· 6 cited
Solutions Manual for "Modern Organic Synthesis: An Introduction"
2006
A Stereoselective Synthesis of <i>trans</i>-Allyl Ethyl Ethers from 1-Alkynes
Synthesis·2002· 15 cited
The Insertion of Alkylidene Groups into Diene Systems. A Convenient Synthesis of Alkylidenecycloalkanes via Monohydroboration of 1-Bromo-1-alkynes with Bisboracyclanes
Synthesis·2002· 14 cited
A Convenient Procedure for the Synthesis of Secondary Alcohols From 1-Alkynes via the Alkylation of Boron-Stabilized Carbanions
Synthesis·2002· 25 cited
ChemInform Abstract: Synthesis of Stereodefined β,γ‐Unsaturated Ketones Via Hydroboration of 1‐Bromo‐3‐en‐1‐ynes.
ChemInform·1994
Synthesis of Stereodefined β,γ-Unsaturated Ketones via Hydroboration of 1-Bromo-3-en-1-ynes
Synthetic Communications·1993· 5 cited
ChemInform Abstract: Syntheses of Stereodefined β‐Alkylidene γ‐Lactones and Substituted β,γ‐Unsaturated δ‐Lactones.
ChemInform·1993
Syntheses of stereodefined β‐alkylidene‐γ‐lactones and substituted β, γ‐unsaturated δ‐lactones
Heteroatom Chemistry·1992· 3 cited
ChemInform Abstract: Stereoselective Syntheses of Di‐, Tri‐, and Tetrasubstituted Enediynes from Enynyl Iodides via Pd‐Catalyzed Coupling Reactions.
ChemInform·1992
ChemInform Abstract: Novel Syntheses of 1‐(Trialkylsilyl)‐1,3‐diynes, e.g. (V), and 1,4‐ Bissilyl‐1,3‐butadiynes, e.g. (VIII), from Z‐1‐Methoxy‐1‐butene‐3‐yne ( I).
ChemInform·1992
ChemInform Abstract: Z‐α‐(Trimethylsilyl) α,β‐Unsaturated Esters. Their Stereoselective Conversion into α,β‐ and β,γ‐ Unsaturated Esters and β,γ‐Unsaturated Ketene Acetals.
ChemInform·1991
Stereoselective syntheses of di-, tri-, and tetrasubstituted enediynes from enynyl iodides via Pd-catalyzed coupling reactions
Tetrahedron Letters·1991· 35 cited
(Z)-.alpha.-(trimethylsilyl) .alpha.,.beta.-unsaturated esters. Their stereoselective conversion into .alpha.,.beta.- and .beta.,.gamma.-unsaturated esters and .beta.,.gamma.-unsaturated ketene acetals
The Journal of Organic Chemistry·1991· 17 cited
ChemInform Abstract: Directive Effects in Hydroborations of 1‐(Trialkylsilyl)‐1,3‐diynes. Synthesis of Z‐Enynes and α‐Keto Acetylenes.
ChemInform·1990
Novel syntheses of 1-trialkylsilyl-1,3-diynes and 1,4-bis-silyl-1,3-butadiynes from Z-1-methoxy-1-buten-3-yne
Tetrahedron Letters·1990· 23 cited
Directive effects in hydroborations of 1-(trialkylsilyl)-1,3-diynes. Syntheses of (Z)-enynes and α-ketoacetylenes
Tetrahedron Letters·1989· 21 cited
ChemInform Abstract: A Diastereoselective Synthesis of (E)‐Alkene‐1,3‐diols via the Reaction of 3‐Borolenes with Aldehydes.
ChemInform·1988
ChemInform Abstract: Configurational Instability of α‐Alkenyl and α‐Alkynylvinyllithiums. Syntheses of Stereodefined 2‐Alkyl‐1‐en‐3‐ynes.
ChemInform·1988
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Frequent Co-authors

Herbert C. Brown(16), Charles C. Whitney(6), Henri Arzoumanian(4), Joseph A. Miller(4), Norman L. Polston(3), John T. Snow(3), William Lewis(2), Nagaraj R. Ayyangar(2), Teresa Leung(2), George M. Clark(2), Stephen J. Backlund(2), R. P. FISHER(2), Gregory Hahn(2), Roger B. Steele(2), Kunihko. Nagase(2), Norman R. Pearson(2), Meysam Najafi(1), Samir Najdi(1), Kenneth Murray(1), Leo J. Murray(1)