HCID 19002170, compound → HCID 178440589, compound

Participants

Reaction Steps

In the same manner as described in Example 38, 0.61 g of 5,7-bis[[2'-(N-triphenylmethyl-tetrazol-5-yl)biphenyl-4-yl]methyl]-6-butyl-2-ethyl-5H-pyrazolo[1,5-b][1,2,4]triazole (compound 50a), 2.52 g of 6-butyl-2-ethyl-1-[[2'-(N-triphenylmethyl-tetrazol-5-yl)biphenyl-4-yl]methyl]-1H-pyrazolo[1,5-b][1,2,4]triazole (compound 50b), and 2.31 g of a mixture consisting (about 1:8) of 6-butyl-2-ethyl-7-[[2'-(N-triphenylmethyl-tetrazol-5-yl)biphenyl-4-yl]methyl]-1H-pyrazolo[1,5-b][1,2,4]triazole (compound 50c) and 6-butyl-2-ethyl-5-[[2'-(N-triphenylmethyl-tetrazol-5-yl)biphenyl-4-yl]methyl]-5H-pyrazolo[1,5-b][1,2,4]triazole (compound 50d) were obtained from 2.34 g of 6-butyl-2-ethyl-1H-pyrazolo[1,5-b][1,2,4]triazole.

Provenance & Evidence