CRYSTALLINE FORM OF 2-CHLORO-3-[4-(4-CHLOROPHENYL) CYCLOHEXYL] [1,4]NAPHTHOQUINONE, PROCESS FOR THE SAME AND USE FOR PRODUCING 2-[4-(4-CHLOROPHENYL)CYCLOHEXYL]-3-HYDROXY-1,4] NAPHTHOQUINONE

摘要

Disclosed herein discloses a crystalline form of 2-Chloro-3-[4-(4-chlorophenyl) cyclohexyl] [l,4]naphthoquinone and process for preparing the same and use thereof. The present invention also provides a process for producing 2-[4-(4- chlorophenyl)cyclohexyl] -3 -hydroxy- 1,4- naphthoquinone employing the crystalline form of 2-Chloro-3-[4-(4-chlorophenyl) cyclohexyl] [l,4]naphthoquinone to obtain pure and better yield.