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LXIV.?A second form of 6 : 6?-dinitrodiphenic acid, and its conversion into new cyclic systems

✍ Scribed by Kenner, James; Stubbings, Wilfrid Victor

Book ID
126514973
Publisher
The Royal Society of Chemistry
Year
1921
Tongue
English
Weight
667 KB
Volume
119
Category
Article
ISSN
0368-1645

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## Abstract A new tripeptide (dimer), bis[(L‐cysteine‐__S__‐acetyl)‐L‐hemicystinyl(__S__^2^ → __S__^2^)‐D‐valine] (**6**) was synthesized by coupling __N__‐(__tert__‐butoxycarbonyl)‐__S__‐carboxymethyl‐L‐cysteine benzyl ester (**1**) with __S__‐trityl‐L‐cysteinyl‐D‐valine benzyl ester and subsequen