Hydrochloric Acid → HCID 73654797, compound

Participants

Reaction Steps

A mixture of 370 mg of t-butyl α-{5-[4-(6-t-butoxycarbonylmethoxy-4-hydroxyimino-2,5,7,8-tetramethylchroman-2-ylmethoxy)benzyl]-2,4-dioxothiazolidin-3-yl}acetate (prepared as described in Example 55) and 4 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