HCID 11961473, compound → HCID 22559071, compound

Participants

Reaction Steps

According to the procedure described in the synthesis method of Intermediate 8 in Reference Example 2 (Step e-1), ethyl 3-(3-bromo-4-hydroxyphenyl)propionate and cyclopentane bromide were reacted and treated to obtain ethyl 3-(3-bromo-4-cyclopentyloxyphenyl)propionate (410 mg). According to the procedure described in the synthesis method of Compound of Example 001 (Preparation Method 4, Step d-1) with the modifications that the reaction was carried out for 18 hours, and the purification was performed by flash column chromatography (hexane:ethyl acetate=8:1), the above product was reacted with 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline (396 mg), 2 M aqueous sodium carbonate (1.0 ml) and (Ph3P)4Pd (110 mg) and treated to obtain the title compound (Intermediate 67, 313 mg).

Provenance & Evidence