abstract |
The present invention relates to a kind of new method of synthesis R biphenyl Propanolamines, and it is related to the midbody compound formed in the methods of the invention, i.e., the useful new intermediate in the synthesis of R biphenyl Propanolamines.The invention further relates to R biphenyl Propanolamines.Method, the intermediate of R biphenyl Propanolamines and the R biphenyl Propanolamine of the present invention is all useful in the synthesis of pharmaceutical active compounds. |