76455-45-3Relevant articles and documents
2-Azetidinones from 3-Aminopropanoic Acids and the Ph3P/CCl4(CBr4) or Ph3P/Br2(I2) Condensation Systems
Trifonov, Luchezar S.,Orahovats, Alexander S.
, p. 1117 - 1124 (2007/10/02)
The title complexes are used as intramolecular cyclization agents to yield under mild conditions and average to good yields 2-azetidinones from variously substituted 3-aminopropanoic acids.The reaction is found to proceed in all examined cases stereospeci