HCID 20295355, compound → HCID 20295348, compound

Participants

Reaction Steps

To a suspension of (C) (8 g) in dry chloroform, phosphorous tribromide (8 ml) was added. The mixture was stirred for 24 hours at room temperature. The solvent was stripped in vacuo, and the residue was triturated with five 50 ml portions of dry ether, and finally dried in vacuo to give (D) as a viscous oil.

Provenance & Evidence