反应详情

The acid from (b) (0.8 g) was treated with thionyl chloride followed by methanesulphonamide and pyridine as described in paragraph (d) above for compound 32. The product was recrystallised from a mixture of ether and petroleum (b.p. 40°-60°) to give compound 31 with a melting point of 132°-133°.

1. customThe product was recrystallised from a mixture of ether and petroleum (b.p. 40°-60°)