| 摘要 |
The (R, R) -, (S, S) -, (R, S) -, ( DOLLAR I(R, S)) - isomers of 3 - amino- 4- hydroxy- alpha - [[[2- (4- methoxyphenyl)- 1-methylethyl]amino]methyl] -benzenemethanol (D) are disclosed, as well as an efficient method for their stereoselective synthesis. A method and composition are also disclosed utilizing desformoterol (D) as a bronchodilator, having high selectivity for beta 2 receptors. |
