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School of Pharmacy : Ta-Shma Rachel

Researchers

 Last updated June 2021 - School of Pharmacy

List of Publications

(1) Al Quntar AAA, Srivastava HK, Srebnik M, Melman A, Ta-Shma R, Shurki A. Formation of diethyl 2-amino-1-cyclopentenylphosphonates: A simple synthesis with a unique mechanism. J Org Chem 2007;72(13):4932-4935.

(2) Ta-Shma R, Torres A, Chevion M, Breuer E, Quntar AAA, Enk CD, et al. An autoxidation study of C2 substituted pyrimidine amino reductones. Tetrahedron 2006;62(23):5469-5473.

(3) Ta-Shma R, Schneider H, Mahajna M, Katzhendler J, Breuer E. A kinetic study of competing fragmentation and hydrolyses of phenyl hydrogen α-hydroxyiminobenzylphosphonate - A case of acid mediated inhibition of acid catalysis. J Chem Soc Perkin Trans 2 2001(8):1404-1407.

(4) Katzhendler J, Schneider H, Ta-Shma R, Breuer E. Fragmentation of methyl hydrogen α-hydroxyiminobenzyl-phosphonates-kinetics, mechanism and the question of metaphosphate formation. J Chem Soc Perkin Trans 2 2000(9):1961-1968.

(5) Ta-Shma R, Rappoport Z. Solvent-induced Changes in the Selectivity of Solvolyses in Aqueous Alcohols and Related Mixtures. Adv Phys Org Chem 1992;27(C):239-291.

(6) Ta‐Shma R, Rappoport Z. Contribution of activity coefficients to the nucleophilicity of solvent components in solvent mixtures. Influence of added acetone on selectivity values, kE/kW, in ethanol–water mixtures. J Phys Org Chem 1990;3(8):503-508.

(7) Ta-Shma R, Jencks WP. How Does a Reaction Change Its Mechanism? General Base Catalysis of the Addition of Alcohols to 1-Phenylethyl Carbocations1. J Am Chem Soc 1986;108(25):8040-8050.

(8) Ta-Shma R, Rappoport Z. Azide-Water Competition in Solvolysis Reactions. A Revisit of the Reactivity-Selectivity Relationship 2. J Am Chem Soc 1983;105(19):6082-6095.

(9) Ta-Shma R, Rappoport Z. On the reactivity-selectivity relationship in the solvolysis of several reactive alkyl halides. Tetrahedron Lett 1982;23(7):781-784.

(10) Rappoport Z, Ta-Shma R. On the Selectivity-Selectivity Relationship in the Solvolysis Reactions of Alkyl Halides. J Org Chem 1982;47(26):5207-5209.

(11) Ta-Shma R, Rappoport Z. Nucleophilic Attacks on Carbon-Nitrogen Double Bonds. 3. Diversity of Mechanisms for the Substitution of Diarylimidoyl Chlorides by Amines in Acetonitrile (J. Am. Chem. Soc., (1976) 98(26), (8460–8467) (10.1021/ja00442a024)). J Am Chem Soc 1977;99(11):3894.

(12) Ta-Shma R, Rappoport Z. Nucleophilic attacks on carbon-nitrogen double bonds. Part 4. Substitution of n-arylbenzimidoyl cyanides by amines in acetonitrile and by alkoxides in alcohols. Journal of the Chemical Society, Perkin Transactions 2 1977(5):659-667.

(13) Ta-Shma R, Rappoport Z. Nucleophilic Attacks on Carbon-Nitrogen Double Bonds. 2.1 Diversity of Mechanisms for the Substitution of Diarylimidoyl Chlorides by Amines in Benzene. J Am Chem Soc 1977;99(6):1845-1858.

(14) Ta-Shma R, Rappoport Z. Nucleophilic Attacks on Carbon-Nitrogen Double Bonds. 3. Diversity of Mechanisms for the Substitution of Diarylimidoyl Chlorides by Amines in Acetonitrile. J Am Chem Soc 1976;98(26):8460-8467.

(15) Rappoport Z, Ta-Shma R. Hindered rotation in several diarylamidines. Tetrahedron Lett 1972;13(52):5281-5284.

(16) Rappoport Z, Ta-Shma R. Nucleophilic attacks on carbon-carbon double bonds. Part XIII. Vinylic substitution of 1,1-dicyano-2-p-dimethylaminophenyl-2-halogenoethylenes by aromatic amines in acetonitrile. Journal of the Chemical Society B: Physical Organic 1971:871-881.

(17) Rappoport Z, Ta-Shma R. Nucleophilic attacks on carbon-carbon double bonds. Part XIV. Low-element effects and amine catalysis in the substitution of 1,1-dicyano-2-p- dimethylaminophenyl-2-halogenoethylenes by anilines in alcohols. Journal of the Chemical Society B: Physical Organic 1971:1461-1467.

(18) Rappoport Z, Ta-Shma R. Nucleophilic attacks on carbon-nitrogen double bonds. Part I. Substitution of diarylimidoyl chlorides with amines in benzene. Tetrahedron Lett 1971;12(41):3813-3816.