Tetrahedron Asymmetry p. 351 - 354 (1994)
Update date:2022-08-04
Topics: Synthesis Chirality Homochiral Experimental Functional group Glutamic acid 3-Substituted Prolines Pyroglutamic acid
Herdeis, Claus
Hubmann, Hans Peter
Lotter, Hermann
Efficient syntheses of (2S,3S)-methylproline (5a) and (2S,3R)-phenylproline (5b) are described, starting from the readily available pyroglutaminol derivatives 2a and 2b via conjugate 1,4=addition of organocuprates to 1.Catalytic hydrogenation of 3 from th
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