Cycloaddition of diphenylnitrilimine to coumarins. The synthesis of 3a,9b-dihydro-4-oxo-1H-benzopyrano [4 ,3-c]pyrazole derivatives
Ahmad S. Shawali, Bahgat E. Elanadouli, Hassan A. AlbarVolume:
41
Year:
1985
Language:
english
Pages:
8
DOI:
10.1016/s0040-4020(01)96550-0
File:
PDF, 779 KB
english, 1985