HCID 13069221, compound → HCID 13069220, compound

Participants

Reaction Steps

3.36 g of 5-(2,4-difluorophenoxy)-4-nitrophthalic acid in 20 ml of absolute tetrahydrofuran is reduced as described in Example 7(d) with 150 ml of a 0.3-molar borane-tetrahydrofuran complex solution in tetrahydrofuran. After crystallization from ethanol/water and ethyl acetate/hexane, 2.1 g of 5-(2,4-difluorophenoxy)-4-nitrophthalyl alcohol is obtained, mp 123.5°-124.5° C.

Provenance & Evidence