2,4-Bis(1-methyl-1-phenylethyl)-6-[2-(2-nitrophenyl)diazenyl]phenol → 5-Chloro-2-[2'-hydroxy-3',5'-di(alpha,alpha-dimethylbenzyl)phenyl]-2H-benzotriazole

Participants

Reaction Steps

When, using the general procedure of example 3, the amount of 4-chloro-2-nitro-2'-hydroxy-3',5'-di-(α,α-dimethylbenzyl)azobenzene was substituted for 2-nitro-2'-hydroxy-3',5'-di-(α,α-dimethylbenzyl)azobenzene, the above-named compound was prepared in a yield of 70.0% as light tan crystalls melting at 160°-161° C.

Provenance & Evidence