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1(2H)-Isoquinolinone, 3,4-dihydro-4-hydroxy-2,3-diphenyl-, (3R,4S)-rel- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77894-42-9

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77894-42-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77894-42-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,9 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77894-42:
(7*7)+(6*7)+(5*8)+(4*9)+(3*4)+(2*4)+(1*2)=189
189 % 10 = 9
So 77894-42-9 is a valid CAS Registry Number.

77894-42-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name trans-4-hydroxy-2,3-diphenyl-3,4-dihydro-1(2H)-isoquinolone

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:77894-42-9 SDS

77894-42-9Relevant academic research and scientific papers

A New Route to Diarylisoquinolones

Dodsworth, David J.,Pia-Calcagno, Maria,Ehrmann, E. Ursula,Quesada, Andres M.,Nunez S., Oswaldo,Sammes, Peter G.

, p. 1453 - 1458 (2007/10/02)

The lithium salts derived from position 3 of phthalides react with Schiff's bases to form a mixture of cis- and trans-2,3-disubstituted 4-hydroxy-3,4-dihydro-1(2H)-isoquinolones, the former isomer predominating.Acid-catalysed dehydration of the alcohols gives 2,4-disubstituted 1(2H)-isoquinolones, as a result of aryl group migration, whilst the cis-isomers, with methanesulphonyl chloride-pyridine as dehydrating agent, produce the 2,3-disubstituted 1(2H)-isoquinolones.

A ONE-STEP ROUTE TO 4-HYDROXY-2,3-DIARYL-3,4-DIHYDRO-1(2H)-ISOQUINOLONES

Dodsworth, David J.,Caliagno, Maria-Pia,Ehrmann, Ursula E.

, p. 5075 - 5078 (2007/10/02)

A new procedure for the synthesis of 2,3-diaryl-3,4-dihydro-4-hydroxy-1(2H)-isoquinolones is described in which the cis-isomer predominates.Dehydration leads to 2,4-diarylisocarbostyrils.

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