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32142-34-0

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32142-34-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32142-34-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,1,4 and 2 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 32142-34:
(7*3)+(6*2)+(5*1)+(4*4)+(3*2)+(2*3)+(1*4)=70
70 % 10 = 0
So 32142-34-0 is a valid CAS Registry Number.

32142-34-0Relevant articles and documents

Palladium-catalyzed tandem oxidative annulation of α-amino ketones leading to 2-aroylindoles

Jiang, Tao-Shan,Dai, Long,Zhou, Yuhui,Zhang, Xiuli

, (2020/01/08)

A simple synthesis of 2-aroylindoles via palladium-catalyzed tandem oxidative annulation directly from α-amino ketones has been developed. In this transformation, two-step reaction including oxidation of α-amino aetones to generate imine intermediates and

Synthesis of α-heterosubstituted ketones through sulfur mediated difunctionalization of internal alkynes

Zhang, Zhong,Luo, Yuzheng,Du, Hongguang,Xu, Jiaxi,Li, Pingfan

, p. 5156 - 5161 (2019/06/05)

Synthesis of α-heterosubstituted ketones was achieved through sulfur mediated difunctionalization of internal alkynes in one pot. The reaction design involves: phenyl substituted internal alkyne attacking triflic anhydride activated diphenyl sulfoxide to

Highly diastereoselective synthesis of tertiary alcohols via intramolecular Baylis-Hillman reaction using less reactive acrylamides as activated alkenes and ketones as electrophiles

Basavaiah, Deevi,Reddy, Guddeti Chandrashekar,Lingaiah, Balthu,Naganaboina, Ram Tilak

, p. 859 - 867 (2017/01/29)

A simple and convenient protocol for highly diastereoselective intramolecular Baylis-Hillman (IBH) reaction of substrates containing less reactive acrylamides as activated alkene and ketones with α-chiral center (racemic) as electrophile components, thus

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