178392-67-1Relevant articles and documents
Synthesis of 5-amino-9-benzyl-6-formyl-4-methoxy-2-pivaloylamino-7,8-dihydropyrimido[4,5-b] azepine. A potentially useful intermediate towards the synthesis of pyrimidoazepine based folic acid derivatives
Miller, Michael L.,Ray, Partha S.
, p. 259 - 263 (1996)
Synthesis of the title compound is described via an intramolecular 1,3-dipolar cycloaddition reaction between the pyrimidine nitrile oxide 24 and an alkyne dipolarophile tethered to the 6-position of the pyrimidine ring. The resulting isoxazolopyrimidoaze