cas 934996-79-9, 5-Chloro-2-methyl-2,3-dihydrodibenzo[2,3:6,7]oxepino[4,5-c]pyrrole-(2H)-one | Articles data ｜lookchem

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934996-79-9

Articles about 934996-79-9Total 5 be found

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A process for the preparation of key intermediate asenapine
The invention provides a chemical synthesis method, in particular to a preparation method of a key intermediate [formula (III)] compound of asenapine capable of serving as a schizophrenia drug. In an anhydrous system, the intermediate [formula (III)] compound is obtained through dehydration of an intermediate [formula (II)] compound and anhydride under the action of a catalyst. The invention further provides a novel method for preparing asenapine by the intermediate [formula (III)]. The provided method has the advantages of simple operation, high yield, environment-friendliness, lower cost, stable technology and the like.
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(2017/01/31)

IMPROVED PROCESS FOR THE PREPARATION OF ASENAPINE MALEATE
The present invention relates to a process for the preparation of Asenapine maleate with an avoiding column chromatography by use of DBN or DBA.
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Page/Page column 9

(2013/03/26)

PROCESS FOR THE PREPARATION OF (3ARS,12BRS)-5-CHLORO-2-METHYL-2,3,3A12B-TETRAHYDRO-1HDIBENZO[2,3:6,7] OXEPINO [4,5-C]PYRROLE MALEATE AND IT'S PHARMACEUTICAL COMPOSITION THEREOF
The present invention relates to an improved process for the preparation (3aRS,12bRS)-5-Chloro-2-menthyl-2,3,3a,12b-tetrahydro-1Hdibenzo[2,3:6,7]oxepino [4,5-c]pyrrole maleate represented by the compound of formula-1a and its pharmaceutical composition.(F)
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(2012/04/10)

ASENAPINE MALEATE
Aspects of the present application relate to a microcrystalline monoclinic form of asenapine maleate represented by structural Formula (I); processes for its preparation; and pharmaceutically acceptable dosage forms thereof.
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(2012/01/06)

Intermediate compounds for the preparation of trans-5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole
Disclosed are novel amino acid derivatives of formula (I) and (II) processes for the preparation thereof, and their use in the preparation of trans-5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenz[2,3:6,7]oxepino-[4,5-c]pyrrole.
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Page/Page column 8-9

(2010/11/24)

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Chemical Properties

Boiling Point: 530.834 °C at 760 mmHg
Flash Point:274.839 °C
Density: 1.435 g/cm³
Solubility:Acetonitrile (Slightly, Sonicated), Chloroform (Slightly), Ethyl Acetate (Slight
Storage Temp.:-20°C Freezer
Refractive Index: 1.704
PKA: -1.25±0.20(Predicted)
PSA: 29.54000
LogP: 3.76640

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