Trifluoroacetic acid → HCID 22222602, compound

Participants

Reaction Steps

In the same manner as in Example 19 (19b), provided that diethylene glycol monomethyl ether (3.6 ml) was used instead of 3-pentanol and trifluoroacetic acid (3.8 ml) was added, ethyl 2-(1-(2-(2-methoxyethoxy) ethoxycarbonyloxy)-2-methylpropyl)-5-(4,5-dimethoxy-2-nitrobenzoyl)-2H-1,2,3-triazole-4-carboxylate (8.82 g, 52%) was prepared from ethyl 2-(1-(1-imidazolylcarbonyloxy)-2-methylpropyl)-5-(4,5-dimethoxy-2-nitrobenzoyl)-2H-1,2,3-triazole-4-carboxylate (13.0 g) prepared in step (30a).

Provenance & Evidence