1,4-Dioxane → HCID 10173123, compound

Participants

Reaction Steps

Following General Procedure E and using 8-ethynyl-2,2,4,4-tetramethyl chroman-6-carboxylic acid-3-fluoro-4-tert-butoxycarbonylmethyl-phenyl ester (Compound 28, 0.085 g, 0.21 mmol), 1,4-dioxane (2 mL) and formic acid (8 mL) followed by recrystallization from 10-20% ethyl acetate in hexane, the title compound was obtained (0.055 g, 75%).

Provenance & Evidence