Page 1. Tetrahedron Letters,Vo1.26,No.44,pp 5481-5484,1985 0040-4039/85 $3.00 + .OO Printed in Great Britain 01985 Perqamon Press Ltd. CYCLIZATION IJNDER MILD CONDITIONS OF CYSTEINE CONTAINING PEPTIDES a) G. Zanottia, F. Pinnenb, and G. Lucente *b ...
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