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Biosynthesis and synthesis of 3-benzyl-6-ethyl-3,6-bis(methylthio)-piperazine-2,5-dione, an ?unnatural? metabolite of Gliocladium deliquescens

✍ Scribed by Kirby, Gordon W.; L�sel, Walter; Rao, Poruri S.; Robins, David J.; Sefton, Mark A.; Talekar, Ratnakar R.

Book ID
118229003
Publisher
The Royal Society of Chemistry
Year
1983
Tongue
English
Weight
237 KB
Volume
15
Category
Article
ISSN
0022-4936

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## Abstract Bis‐1,2,3,4‐tetrahydropyrimidinylalkanes/benzenes **2a‐f** have been synthesized by the reaction of N,S‐acetals with formaldehyde and diamines. Reaction of pyrazoles **3a** and **3b** with diamines and formaldehyde yield bis‐4,5,6,7‐tetrahydropyrazolo[3,4‐__d__]pyrimidinylalkanes **4a‐b