Hydrochloric Acid → HCID 73654795, compound

Participants

Reaction Steps

A mixture of 270 mg of di-t-butyl α,α'-{5-[4-(6-t-butoxycarbonylmethoxy-4-hydroxyimino -2,5,7,8-tetramethylchroman-2-ylmethoxy)benzyl]-2,4-dioxothiazolidine-3,5-diyl}diacetate (prepared as described in Example 56) and 3 ml of a 4N dioxane solution of hydrogen chloride was treated in the same manner described in Example 61, to give the title compound as a pale yellow powder, softening at 90°-100° C.

Provenance & Evidence