264236-25-1Relevant articles and documents
A New Route toward 4-Substituted Pyrazino[2,1-b]quinazoline-3,6-dione Systems. Total Synthesis of Glyantrypine
Cledera, Pilar,Avendano, Carmen,Carlos Menendez
, p. 1743 - 1749 (2007/10/03)
Treatment of sodium N-(o-azidobenzoyl)aminoacylglycinates 8 with acetic anhydride afforded 1-acetyl-4-(o-azidobenzoyl)-2,5-piperazinediones 7, with complete retention of the stereochemistry. The intramolecular aza Wittig reactions of compounds 7 in the pr