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23605-13-2

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23605-13-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23605-13-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,6,0 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 23605-13:
(7*2)+(6*3)+(5*6)+(4*0)+(3*5)+(2*1)+(1*3)=82
82 % 10 = 2
So 23605-13-2 is a valid CAS Registry Number.

23605-13-2Downstream Products

23605-13-2Relevant articles and documents

INTRAMOLECULAR CYCLOADDITION REACTIONS OF VINYLKETENES. STEREO- AND REGIOSPECIFIC PREPARATION OF VINYLKETENES FROM α,β-UNSATURATED ACID CHLORIDES.

Kulkarni, Yashwant S.,Burbaum, Beverly W.,Snider, Barry B.

, p. 5619 - 5622 (1985)

Treatment of α,β-unsaturated acid chlorides 5, 6, 14, 17, and 18 with NEt3 in toluene at reflux generates, stereo- and regiospecifically, the vinylketene which undergoes a facile intramolecular cycloaddition.

Enantioselective CuH-Catalyzed Hydroacylation Employing Unsaturated Carboxylic Acids as Aldehyde Surrogates

Zhou, Yujing,Bandar, Jeffrey S.,Buchwald, Stephen L.

supporting information, p. 8126 - 8129 (2017/06/27)

The direct asymmetric copper hydride (CuH)-catalyzed coupling of α,β-unsaturated carboxylic acids to aryl alkenes to access chiral α-aryl dialkyl ketones is reported. A variety of substrate substitution patterns, sensitive functional groups, and heterocycles are tolerated in this reaction, which significantly expands the range of accessible products compared with existing hydroacylation methodology. Although mechanistic studies are ongoing, we propose that CuH-catalyzed silylation of unsaturated acids occurs to access a uniquely effective acyl electrophilic coupling partner.

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