Synthetic 1, 4-disubstituted 1, 4-dihydro-5H-tetrazol-5-one derivatives of fentanyl: alfentanil (R 39209), a potent, extremely short-acting narcotic analgesic

F Janssens, J Torremans…

Index: Journal of Medicinal Chemistry, , vol. 29, # 11 p. 2290 - 2297

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Citation Number: 45

Abstract

... Chem. 1969, 12, 583. 0022-2623/86/1829-2290$01.50/0 0 1986 American Chemical Society Page 2. Derivatives of Fentanyl Scheme I Journal of Medicinal Chemistry, 1986, Vol. 29, No. 11 2291 A 1. NaN3/ A1C13 THF/ n 2. HC1 0 ...