909713-17-3Relevant articles and documents
β-Lactams derived from phenylalanine and homologues: effects of the distance between the aromatic rings and the α-stereogenic reactive center on the memory of chirality
Bonache, M. Angeles,Cativiela, Carlos,García-López, M. Teresa,González-Mu?iz, Rosario
, p. 5883 - 5887 (2007/10/03)
The enantioselectivity in the base-promoted cyclization of N-chloroacetyl derivatives of Phe, Phg, and Hph is dependent on the side-chain length, with the best results for Phg analogues (up to 74% ee). In contrast, shortening of the N-substituent, from a