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88002-15-7

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88002-15-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 88002-15-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,0,0 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 88002-15:
(7*8)+(6*8)+(5*0)+(4*0)+(3*2)+(2*1)+(1*5)=117
117 % 10 = 7
So 88002-15-7 is a valid CAS Registry Number.

88002-15-7Downstream Products

88002-15-7Relevant articles and documents

Selective Formation of Functionalized α-Quaternary Malononitriles toward 5,5-Disubstituted Pyrrolopyrimidinones

Whitehead, Alan,Zhang, Yong,McCabe Dunn, Jamie,Sherer, Edward C.,Lam, Yu-Hong,Stelmach, John,Sun, Aaron,Shiroda, Melisa,Orr, Robert K.,Waddell, Sherman T.,Raghavan, Subharekha

supporting information, p. 4448 - 4451 (2017/09/11)

A modular, selective approach to complex α-tertiary substituted malononitriles is reported. The method takes advantage of β-ester-substituted α,α-dinitrile alkenes as highly reactive, chemoselective electrophiles for 1,4-additions with organometallic nucleophiles to produce functionally and sterically dense all-carbon quaternary centers. In the presence of a chiral ester auxiliary bearing an aromatic ring, the 1,4-addition occurs with good to excellent selectivity due to favorable cation-π interactions. The highly functionalized malononitriles represent versatile building blocks and can be applied toward efficient, highly selective syntheses of 5,5-disubstituted pyrrolopyrimidinones.

Diatereoselectivity in the O-H Insertion Reactions of Rhodium Carbenoids Derived from Phenyldiazoacetates of Chiral Alcohols. Preparation of α-Hydroxy and α-Alkoxy Esters

Aller, Enrique,Brown, David S.,Cox, Geoffrey G.,Miller, David J.,Moody, Christopher J.

, p. 4449 - 4460 (2007/10/02)

A series of phenyldiazoacetates 3 derived from enantiomerically pure alcohols ((-)-borneol, (+)-menthol, (-)-menthol, (-)-8-phenylmenthol, (-)-trans-2-phenylcyclohexanol, (+)-trans-2-phenyl-cyclohexanol, and (-)-10-(dicyclohexylsulfamoyl)-D-isoborneol) were prepared from the corresponding α-keto esters 1 by way of the tosylhydrazones 2.Rhodium(II)-catalyzed decomposition of the diazoacetates 3 in the presence of water or alcohols resulted in carbenoid O-H insertion reactions to give the corresponding 2-hydroxy- or 2-alkoxyphenylacetates in good yield, but with varying degrees of diastereoselectivity.A range of rhodium(II) and other metal catalysts were investigated, with rhodium(II) acetate and rhodium(II) acetamide giving the best results.The stereochemistry of the major diastereomer was proved in most cases by independent synthesis from a mandelic acid derivative of known configuration.Possible mechanisms are discussed.

Asymmetric syntheses with a new optically active perhydronaphthalene based chiral auxiliary

Hamon,Holman,Massy-Westropp

, p. 9593 - 9604 (2007/10/02)

(1R,4aS,8S,8aS)-8-(5'-Methoxy-2'-methylphenyl)-8-methyldecahydro-1-nap hthalenol 3a is a highly efficient chiral auxiliary in the Diels-Alder addition of its acrylate ester 5 and in the DIBAL-H and Grignard reactions of its phenylglyoxylate ester 7.

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