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57415-83-5

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57415-83-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57415-83-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,4,1 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 57415-83:
(7*5)+(6*7)+(5*4)+(4*1)+(3*5)+(2*8)+(1*3)=135
135 % 10 = 5
So 57415-83-5 is a valid CAS Registry Number.

57415-83-5Relevant articles and documents

Rhodium-catalyzed anti-markovnikov-type hydrophosphination of terminal alkynes with diphosphines and hydrosilanes in the presence of oxygen

Kawaguchi, Shin-Ichi,Kotani, Mao,Ohe, Takashi,Nagata, Shoko,Nomoto, Akihiro,Sonoda, Motohiro,Ogawa, Akiya

, p. 1090 - 1097 (2010)

A novel rhodium(I)-catalyzed hydrophosphination of terminal alkynes with diphosphines and hydrosilanes takes place regioselectively in the presence of small amounts of oxygen. After air-oxidation during workups, the corresponding anti-Markovnikov-type vinylic phosphine oxides were obtained in good yields. Copyright Taylor & Francis Group.

Radical Hydrophosphorylation of Alkynes with R2P(O)H Generating Alkenylphosphine Oxides: Scope and Limitations

Huang, Tianzeng,Saga, Yuta,Guo, Haiqing,Yoshimura, Aya,Ogawa, Akiya,Han, Li-Biao

, p. 8743 - 8749 (2018/07/05)

Radical hydrophosphorylation of aliphatic terminal alkynes with H-phosphine oxides can produce the corresponding anti-Markovnikov alkenylphosphorus adducts in moderate yields. This method is a cleaner approach for the preparation of the corresponding alke

Selective addition of P(O)H bonds to alkynes catalyzed by transition metals immobilized on polystyrene-bound triphenylphosphine

Chen, Tieqiao,Zhou, Yongbo,Guo, Cancheng,Han, Li-Biao

, p. 1065 - 1067 (2013/09/24)

Addition of P(O)H bonds to alkynes catalyzed by transition metals (Rh, Pd, and Ni) immobilized on polystyrene-bound triphenylphosphine proceeded efficiently to afford high yields of the addition products with high regioselectivity. The immobilized catalys

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