HRID1421099

反应详情

EQUATION

反应方程式

HRID 1421099 的结构方程式

PROCEDURE

实验过程

4.3 g of avermectin (B1a and B1b mixture) are, after addition of 53.2 mg of tris-(octylphenyl)-phosphine, hydrogenated using the conditions given in Example 1 (B). After a hydrogenation time of 7 hours, a crude ivermectin product is obtained which, according to HPLC analysis, contains 1.3% of avermectin, 94.8% of ivermectin and 2% of tetrahydroavermectin.