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Synlett 1995; 1995(11): 1131-1132
DOI: 10.1055/s-1995-5199
DOI: 10.1055/s-1995-5199
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Synthesis of β,γ-Unsaturated Esters from α,β-Unsaturated Acid Chlorides
Further Information
Publication History
Publication Date:
31 December 2000 (online)
The deconjugation of α,β-unsaturated acid chlorides in the presence of triethylamine and benzyl alcohol in CH2Cl2 affords the corresponding β,γ-unsaturated benzylic esters in high yield and under mild conditions. Moreover by treatment of benzyl 2-bromo-3-methyl-3-butenoate 8 with benzylamine in the presence of trimethylamine, the corresponding benzyl 2-benzylamino-3-methyl-3-butenoate 9 is obtained in good yield.
Deconjugation - α,β-unsaturated ester - ketenes - α-vinyl amino acid