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32904-86-2

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32904-86-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32904-86-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,9,0 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 32904-86:
(7*3)+(6*2)+(5*9)+(4*0)+(3*4)+(2*8)+(1*6)=112
112 % 10 = 2
So 32904-86-2 is a valid CAS Registry Number.

32904-86-2Relevant articles and documents

A phosphine-free, atom-efficient cross-coupling reaction of triorganoindiums with acyl chlorides catalyzed by immobilization of palladium(0) in MCM-41

Miao, Jiankang,Huang, Bin,Liu, Haiyi,Cai, Mingzhong

, p. 42570 - 42578 (2017/09/11)

The first phosphine-free heterogeneous palladium(0)-catalyzed cross-coupling of triorganoindiums with acyl chlorides has been developed that proceeds smoothly in THF at 68 °C and provides a general and powerful tool for the synthesis of various valuable aryl ketones and α,β-acetylenic ketones with high atom-economy and high yield. This phosphine-free heterogeneous palladium(0) catalyst can be easily prepared from commercially available reagents and recovered by a simple filtration of the reaction solution and used for at least 10 consecutive trials without any decreases in activity. Our system not only avoids the use of phosphine ligands, but also solves the basic problem of palladium catalyst recovery and reuse.

Chemo- and regioselective cyclohydrocarbonylation of α-keto alkynes catalyzed by a zwitterionic rhodium complex and triphenyl phosphite

Van den Hoven,El Ali,Alper

, p. 4131 - 4137 (2007/10/03)

α-Keto alkynes react with CO and H2 in the presence of catalytic quantities of the zwitterionic rhodium complex (η6-C6H5BPh3)- Rh+(1,5-COD) and triphenyl phosphite affording eith

REACTION OF TERMINAL ACETYLENES WITH ACID CHLORIDES IN THE PRESENCE OF COPPER SALTS

Shergina, S. I.,Sokolov, I. E.,Zanina, A. S.,Kotlyarevskii, I. L.

, p. 639 - 641 (2007/10/02)

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