76284-17-8Relevant academic research and scientific papers
5-ACETOXY-2-PYRROLIDINONE AS A PRECURSOR FOR N-ACYLIMMINIUM ION
Nagasaka, Tatsuo,Abe, Masako,Ozawa, Naganori,Kosugi, Yoshiyuki,Hamaguchi, Fumiko
, p. 985 - 990 (2007/10/02)
Synthesis of 5-acetoxy-2-pyrrolidinone (3) and its reactions via N-acylimminium ion (6) with nucleophiles are described, especially in comparison with 5-alkoxy-2-pyrrolidinone (1) and 3-pyrrolin-2-one (4).
SYNTHESIS OF 5-AMINO-2-PYRROLIDINONE AND ITS DERIVATIVES
Kosugi, Yoshiyuki,Hamaguchi, Humiko,Nagasaka, Tatsuo,Ozawa, Naganori,Ohki, Sadao
, p. 1245 - 1249 (2007/10/02)
Two routes to a new type of 2-pyrrolidinones having various nitrogen functions at the 5-position were described.The modified Curtius reaction of pyroglutamic acid derivatives (1 and 4) with diphenylphosphoryl azide (DPPA) gave 5-alkoxycarbonylamino-2-pyrr
