Tetrahedron Letters p. 5327 - 5330 (1990)
Update date:2022-08-02
Topics:
Komatsu
Yagii
Ohshiro
Reaction of N,N'-di-tert-butyldiaziridinone (1) with α-lithiopropionitrile or α-sodiobenzylcyanide caused ring enlargement of 1 to give functionalized five-membered heterocycles such as aminopyrazolinone and/or iminopyrazolidinone.
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