HCID 10508204, compound → HCID 19002121, compound

Participants

Reaction Steps

In the same manner as described in Example 38, 1.5 g of 2-ethyl-7-methyl-5-[[2'-(N-triphenylmethyl-tetrazol-5-yl)biphenyl-4-yl]methyl]-5H-pyrazolo[1,5-b][1,2,4]triazole (compound 44a) and 330 mg of 2-ethyl-7-methyl-1-[[2'-(N-triphenylmethyl-tetrazol-5-yl)biphenyl-4-yl]methyl]-1H-pyrazolo[1,5-b][1,2,4]triazole (compound 44b) were obtained from 500 mg of 2-ethyl-7-methyl-1H-pyrazolo[1,5-b][1,2,4]triazole.

Provenance & Evidence