HRID1657692

反应详情

EQUATION

反应方程式

HRID 1657692 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

Tetrahydro-3,5-bis-(phenylmethylene)-4H-thiopyran-4-one (5g) is refluxed with 2.1g of 3-dimethylaminopropylhydrazine in 50ml of methanol for 4 hours. The solvent is evaporated off and the residue is crystallized from 30ml of acetonitrile to yield 3.9g of the title compound, melting point 83°-85°C.

WORKUP

后处理

  1. customThe solvent is evaporated off
  2. customthe residue is crystallized from 30ml of acetonitrile