57784-65-3Relevant articles and documents
Investigation of the One-Pot Synthesis of N-(5,6,7,8-Tetrahydro-7,7-dimethyl-2,5-dioxo-2H-1-benzopyran-3-yl)benzamide
Kocevar, Marijan,Polanc, Slovenko,Vercek, Bojan,Tisler, Miha
, p. 501 - 503 (2007/10/02)
A detailed investigation of the reaction of hippuric acid (2) with dimedone (1) and triethyl orthoformate or other one-carbon sources in acetic anhydride yielding the benzopyran derivatives 3 and many byproducts is described.An explanation of this complex