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À propos de : Diastereoselective Synthesis ofS-tert-Butyl-β-(trifluoromethyl)isocysteine        

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  • Diastereoselective Synthesis ofS-tert-Butyl-β-(trifluoromethyl)isocysteine
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  • Both diastereoisomers of S-tert-butyl-β-(trifluoromethyl)isocysteine have been synthesized stereoselectivelyby the sequential reactions of trifluoroacetimidoyl chloridewith the lithium enolate of tert-butyl α-tert-butylthioacetate,followed by the diastereoselective reduction of the iminogroup with sodium borohydride in the presence of zinc(II)or di(ethylene glycol) dimethyl ether, and finally by thedeprotection of N-aryl and tert-butyl ester groups.
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