101152-94-7Relevant articles and documents
An Efficient Synthesis of Milnacipran Hydrochloride via Reductive Amination of Aldehyde
Desireddy, Neha Reddy,Glory, Arava,Bhimireddy, Krishna Reddy,Kurra, Yadagiri,Reddy, Ram
, (2017)
An efficient synthesis of milnacipran hydrochloride has been accomplished. The important application of this paper is the reductive amination of aldehyde to primary amine with water soluble reagents. This method provides a high yield of primary amine as t
Drug intermediate as well as preparation and application thereof
-
, (2021/05/08)
The invention designs a drug intermediate III, and the structural formula of the drug intermediate III is shown in the specification.
Preparation method of milnacipra hydrochloride intermediate
-
, (2021/10/13)
The invention provides a preparation method of an intermediate hydrochloride intermediate. Belong to chemical medicine preparation technical field. To the preparation method, the compound having the structure of the formula (II) is added into the methanol
Preparation of leveminacipran hydrochloride
-
, (2020/06/16)
The invention discloses a novel preparation method for synthesizing leveminacipran hydrochloride, and relates to a compound represented by a formula A. According to the invention, each step of reaction is simple in operation and mild in condition, use of
Preparation method of 2-(aminomethyl)-N,N-diethyl-1-phenylcyclopropanecarboxamide and salt thereof
-
Paragraph 0048-0050; 0051-0074, (2020/07/15)
The invention provides a novel method for preparing 2-(aminomethyl)-N,N-diethyl-1-phenylcyclopropanecarboxamide (milnacipran) and a salt thereof. The method comprises the following steps: reducing a compound with a structure represented by a formula (I) by using a reducing agent to obtain milnacipran with a structure represented by a formula (II), and salifying milnacipran to obtain milnacipran hydrochloride. The method provided by the invention effectively controls the generation of impurities, greatly improves the yield and the purity of the product, has the characteristics of environmentalprotection, safety and economy, is suitable for industrial production, and has a wide market application prospect.
IMPROVED PROCESS FOR THE PREPARATION OF LEVOMILNACIPRAN
-
Page/Page column 11, (2019/06/09)
The present invention discloses cost-effective, industrially efficient and safe process synthesis of levomilnacipran that is devoid of 1-phenyl-1- diethylaminocarbonyl-2- chloromethylcyclopropane.
Preparation method of levomilnacipran hydrochloride
-
Paragraph 0069-0070, (2018/09/28)
The invention relates to the field of chemical medicines and organic synthesis and in particular relates to a preparation method of levomilnacipran hydrochloride. Aiming at solving the problems of anexisting method for preparing the levomilnacipran hydrochloride that the cost is relatively high or a generation process is relatively dangerous so that large-scale industrial production is limited, the preparation method is characterized by comprising the following steps: [1] enabling phenylacetonitrile and (R)-2-chloromethyl ethylene oxide to react under the action of sodium amide to obtain a compound 1; then carrying out hydrolysis cyclization on the compound 1 to obtain a compound 2; [2] enabling the compound 2 and thionyl chloride to react in alcohol, so as to obtain a compound 3; [3] enabling the compound 3 to be subjected to exchange reaction through introducing nitryl and amino, so as to obtain a compound 6; [4] reducing nitryl in the compound 6 and forming salt in situ to obtain the levomilnacipran hydrochloride. The preparation method provided by the invention is applicable to industrial production of the levomilnacipran hydrochloride.
Intermediate milnacipran hydrochloride and its preparation method and application
-
, (2017/02/09)
The invention relates to the technical field of synthetic methods of milnacipran hydrochloride. The preparation method provided by the invention comprises the following steps: carrying out reactions in five steps on an existing compound to generate a nove
PROCESS FOR THE PREPARATION OF (1S,2R)-MILNACIPRAN
-
, (2016/06/01)
The invention relates to a process for the preparation of Levomilnacipran, a compound useful in the treatment of depression, comprising the following steps: a) directly converting the enantiomerically enriched form of alcohol (D) into the enantiomerically enriched form of the phthalimido derivative (C) by treatment with phthalimide in the presence of a trialkyl or triarylphosphine and of a dialkyl azodicarboxylate, formula (I) wherein the amount of phthalimide is comprised between 1 and 1.3 equivalents with respect to the molar amount of alcohol (D) used, and the amounts of both the phosphine and the azodicarboxylate are comprised, independently from each other, between 1 and 1.5 equivalents with respect to the molar amount of alcohol (D) used; b) deblocking the enantiomerically enriched form of the phthalimido derivative (C) to obtain Levomilnacipran, formula (II).
Preparation method of levomilnacipran hydrochloride
-
, (2017/04/19)
The invention provides a preparation method of levomilnacipran hydrochloride. According to the preparation method, a mixed liquid is obtained through a mixed reaction of a compound adopting the structure shown in the formula (II) and alkali; then acid is