1 - (2 - Hydroxy ethyl) piperazine hydrochloride of a new preparation method (by machine translation)
The invention discloses a utility of important medical raw materials in the preparation of 1 - (2 - hydroxy ethyl) piperazine hydrochloride synthetic method. In a suitable solvent or solvent-free conditions, piperazine hydrochloride and 2 - chloro ethanol in the 100 - 150 degree c stirring reaction; does not need protection piperazine a amino directly with high yield 1 - (2 - hydroxy ethyl) piperazine hydrochloride. (by machine translation)
-
Paragraph 0011; 0012
(2019/03/25)
Novel preparation method for 1-(2-hydroxyethyl)piperazine hydrochloride
The invention elaborates a practical synthetic method for preparing an important medical pharmaceutical raw material 1-(2-hydroxyethyl)piperazine hydrochloride. Reaction can be performed on piperazinehydrochloride and 2-chloroethanol through stirring under 100-150 DEG C under a suitable solvent or solvent-free condition; and 1-(2-hydroxyethyl)piperazine hydrochloride can be directly obtained withhigh yield without protecting an amino of piperazine.
-
Paragraph 0011-0012
(2019/03/15)
More Articles about upstream products of 5712-71-0