Synthesis of Conformationally Restricted and Optically Pure Analogues of Serine­-Proline Dipeptide via Aldol Condensation

The wrong absolute configuration was given for the following compounds:

p. 354, Scheme 1,

Compound 10a should be 2′S3′R, compound 10b should be 2′R3′S, compound 10c should be 2′R3′R, compound 10d should be 2′S3′S, compound 11a should be 2′S3′R, compound 11b should be 2′R3′S, compound 11c should be 2′R3′R, compound 10d should be 2′S3′S.

p.354, second column

Compound 1 should be 3R4R6S9S, compound 6 should be 3S4S6R9S, compound 7 should be 3S4R6R9S, compound 8 should be 3R4S6R9S.

p. 255 first column

Compound 12 should be 3S4S6S9S.

The authors apologize for these errors.