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149341-34-4

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149341-34-4 Usage

Chemical Properties

white to off-white crystalline powder

Check Digit Verification of cas no

The CAS Registry Mumber 149341-34-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,3,4 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 149341-34:
(8*1)+(7*4)+(6*9)+(5*3)+(4*4)+(3*1)+(2*3)+(1*4)=134
134 % 10 = 4
So 149341-34-4 is a valid CAS Registry Number.

149341-34-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name (R)-(+)-1-(2-DIPHENYLPHOSPHINO-1-NAPHTHYL)ISOQUINOLINE

1.2 Other means of identification

Product number -
Other names R-QUINAR

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:149341-34-4 SDS

149341-34-4Relevant articles and documents

Cu(II)-Catalyzed Construction of Heterobiaryls using 1-Diazonaphthoquinones: A General Strategy for the Synthesis of QUINOX and Related P,N Ligands

Biswas, Aniruddha,Pan, Subarna,Samanta, Rajarshi

, p. 1631 - 1636 (2022/03/14)

An efficient and straightforward method was developed for the synthesis of heterobiaryls using easily available N-oxides and diazonaphthoquinones under cheap Cu(II) catalysis. The developed method offered QUINOX and related congeners in a simple manner. A wide scope of important heterobiaryls was achieved with high site selectivity. The synthesized naphthols were transformed into the privileged related P,N ligands. Suitable resolution methods can directly afford the corresponding axially chiral heterobiaryls.

Synthesis of IAN-type N,N-Ligands via Dynamic Kinetic Asymmetric Buchwald-Hartwig Amination

Ramírez-López, Pedro,Ros, Abel,Romero-Arenas, Antonio,Iglesias-Sigüenza, Javier,Fernández, Rosario,Lassaletta, José M.

supporting information, p. 12053 - 12056 (2016/10/09)

The Pd0-catalyzed coupling of racemic heterobiaryl bromides, triflates, or nonaflates with aryl/alkyl primary amines using QUINAP as the ligand provides the corresponding axially chiral heterobiaryl amines with excellent yields and enantioselectivities. Reactivity and structural studies of neutral and cationic oxidative addition intermediates support a dynamic kinetic asymmetric amination mechanism based on the labilization of the stereogenic axis in the latter and suggest that coordination of the amine to the Pd center is the stereodetermining step.

Expedient synthesis of 3-hydroxyisoquinolines and 2-hydroxy-1,4- naphthoquinones via one-pot aryne acyl-alkylation/condensation

Allan, Kevin M.,Hong, Boram D.,Stoltz, Brian M.

supporting information; experimental part, p. 4960 - 4964 (2010/02/15)

A convenient method is disclosed for the synthesis of both 3-hydroxyisoquinolines and 2-hydroxy-1,4-naphthoquinones from β-ketoesters using a one-pot aryne acyl-alkylation/condensation procedure. When performed in conjunction with a one-step method for the synthesis of the β-ketoester substrates, this method provides a new route to these polyaromatic structures in only two steps from commercially available carboxylic acid starting materials. The utility of this approach is demonstrated in the synthesis of the atropisomeric P,N-ligand, QUINAP. The Royal Society of Chemistry 2009.

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