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(2S,3S,6S)-2-phenyl-3,6-dimethyltetrahydropyran-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1003274-23-4

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1003274-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1003274-23-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,3,2,7 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1003274-23:
(9*1)+(8*0)+(7*0)+(6*3)+(5*2)+(4*7)+(3*4)+(2*2)+(1*3)=84
84 % 10 = 4
So 1003274-23-4 is a valid CAS Registry Number.

1003274-23-4Relevant academic research and scientific papers

Chiral chromium(III) porphyrins as highly enantioselective catalysts for Hetero-Diels-Alder reactions between aldehydes and dienes

Berkessel, Albrecht,Ertuerk, Erkan,Laporte, Cecile

, p. 223 - 228 (2006)

Starting from enantiomerically pure 5,10,15,20-tetrakis[(1S,4R,5R,8S)-1,2, 3,4,5,6,7,8-octahydro-1,4:5,8-dimethanoanthracene-9-yl]porphyrin, treatment with CrCl2 and subsequent air oxidation afforded the corresponding Cr(III) complex, with chlo

A two-directional approach to a (-)-dictyostatin C11-C23 segment: Development of a highly diastereoselective, kinetically-controlled Meerwein-Ponndorf-Verley reduction

Dilger, Andrew K.,Gopalsamuthiram, Vijay,Burke, Steven D.

, p. 16273 - 16277 (2008/09/20)

A three-step synthesis of a precursor to the C11-C23 segment of (-)-dictyostatin is described. The sequence features a sonication-assisted, enantioselective double hetero Diels-Alder (HDA) reaction catalyzed by Jacobsen's Cr(III) Schiff base catalyst, followed by a novel, highly diastereoselective Meerwein-Ponndorf-Verley (MPV) reduction of the hydropyranone subunits under kinetic control to yield the bis-(axial alcohol) 4. Generalized studies of both the HDA and MPV methodologies are also described.

Asymmetric cycloaddition reactions

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Page column 59, (2010/01/31)

The present invention relates to a process for stereoselective cycloaddition reactions which generally comprises a cycloaddition reaction between a pair of substrates, each either chiral or prochiral, that contain reactive π-systems, in the presence of a non-racemic chiral catalyst, to produce a stereoisomerically enriched product. The present invention also relates to novel asymmetric catalyst complexes comprising a metal and an asymmetric tridentate ligand.

Highly enantio- and diastereoselective hetero-Diels-Alder reactions catalyzed by new chiral tridentate chromium(III) catalysts

Dossetter, Alexander G.,Jamison, Timothy F.,Jacobsen, Eric N.

, p. 2398 - 2400 (2007/10/03)

Even moderately nucleophilic dienes react with simple aldehydes in the presence of a new Cr(III) catalyst in a hetero-Diels-Alder reaction [Eq. (1)]. Tetrahydropyranyl products with up to three stereogenic centers are generated in near-perfect diastereose

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