Diisobutylaluminumhydride → HCID 178486410, compound

Participants

Reaction Steps

5-(2-chlorophenyl)-1,2-dihydro-7-methoxy-3-methyl-8-phenyl-pyrazolo[3,4-b][1,4]benzodiazepine (IVff) was prepared by reacting 0.0023 moles of (2-amino-5-methoxy-4-phenylphenyl)-(2-chlorophenyl)-methanone (Xff) with 4-amino-5-chloro-3-methyl-1-(2-propenyl)-1H-pyrazole (XIII), and subsequent dealkylation of the intermediate, 5-(2-chlorophenyl)-1,2-dihydro-7-methoxy-3-methyl-8-phenyl-1-(2-propenyl)-pyrazolo[3,4-b][1,4]benzodiazepine (XIVff) with diisobutylaluminum hydride in a manner analogous to Example 72. MH+/Z=415.

Provenance & Evidence