甲烷磺酸 、 (2β,3α,5α)-3-hydroxy-2-(2,2,6,6-tetramethyl-4-morpholinyl)pregnane-11,20-dione 在
乙醚 作用下,
以
甲醇 为溶剂,
以to give (2β,3α,5α)-3-hydroxy-2-(2,2,6,6-tetramethyl-4-morpholinyl)pregnane-11,20-dione methanesulfonate (1:1) salt (354 mg)的产率得到(2β,3α,5α)-3-hydroxy-2-(2,2,6,6-tetramethyl-4-morpholinyl)pregnane-11,20-dione methanesulfonate