Synthesis of α-diaminomethylenebutyrolac
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Fumi Okabe; Syouhei Nakamura; Kenji Yamagata
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Article
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2007
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Journal of Heterocyclic Chemistry
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English
⚖ 261 KB
## Abstract magnified image Successive treatment of α‐cyanobutyrolactams **1** with __N__‐trimethylsilylamines and water gave the corresponding α‐diaminomethylenebutyrolacatms **2** in good yields. In the NOESY spectra of **2**, the __E__ isomer, the NOE observed between β‐CH~2~ (butyrolactam) and