912356-08-2

Basic information

• Product Name: (3aR,12bR)-rel-5-Chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrol-1-one
• Synonyms: (3aR,12bR)-rel-5-Chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrol-1-one;(3aS,12bS)-5-chloro-2-Methyl-2,3,3a,12b-tetrahydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrol-1-one;Trans-5-chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-Dibenz[2,3:6,7]oxepino[4,5-c]pyrrole-1-one;trans-5-Chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrol-1-one
• CAS NO: 912356-08-2
• Molecular Formula: C17H14ClNO2
• Molecular Weight: 299.75156
• Mol File: 912356-08-2.mol
• Article Data: 7

Chemical Properties

• Boiling Point: 428.4±45.0 °C at 760 mmHg
• Flash Point: 212.9±28.7 °C
• Appearance: /
• Density: 1.311
• CAS DataBase Reference: (3aR,12bR)-rel-5-Chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrol-1-one(CAS DataBase Reference)
• NIST Chemistry Reference: (3aR,12bR)-rel-5-Chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrol-1-one(912356-08-2)
• EPA Substance Registry System: (3aR,12bR)-rel-5-Chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrol-1-one(912356-08-2)

Safety Data

• Hazardous Substances Data: 912356-08-2(Hazardous Substances Data)

Usage

General Description

"(3aR,12bR)-rel-5-Chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrol-1-one" is a complex chemical compound with a unique molecular structure. It contains a chloro group and a methyl group, and it belongs to the class of dibenzoxepino pyrrolone derivatives. (3aR,12bR)-rel-5-Chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrol-1-one may have potential pharmaceutical or medicinal applications due to its structural features and may exhibit biological activity. Further investigation and research are required to fully understand the properties and potential uses of this chemical.

Upstream product

• 27449-95-2 5-chloro-2-methyl-2,3-dihydro-1H-dibenzo[2,3;6,7]oxepino[4,5-c]pyrrole 
• 912356-09-3 cis 5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrole-1-one 
• 934996-79-9 5-chloro-2-methyl-2,3-dihydro-1H-dibenzo[2,3:6,7]oxepino [4,5-c]pyrrole-1-one 
• 934996-80-2 5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrole-1-one 
• 1035404-19-3 methyl-N-[2-(4-chloro-2-phenoxyphenyl)-1-oxo-ethyl]-N-methylglycinate 
• 1366179-34-1 tributylamine salt of 2-(2-(4-chlorophenoxy)phenyl)acetic acid 
• 912356-09-3 cis 5-chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrol-1-one 
• 57486-68-7 methyl (2-chlorophenyl)acetate 
• 2444-36-2 2'-chloro-benzeneacetic acid 
• 1035404-17-1 ethyl N-[2-[2-(4-chlorophenoxy)phenyl]acetyl]-N-methylglycinate 
• 25563-04-6 o-(p-chlorophenoxy)phenylacetic acid 
• 106-48-9 4-chloro-phenol 
• 912356-09-3 cis-5-chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrol-1-one 
• 1383781-81-4 3-[2-(4-chlorophenoxy)phenyl]-4-hydroxy-1-methylpyrrolidine-2-one 

Relevant articles and documents

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.

Processes for the preparation of 5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrole

This invention provides improved processes for the preparation of 5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrole, asenapine. These processes allow the preparation of asenapine at industrial scale in good yields and high stereoselectivity.

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.