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86953-52-8

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86953-52-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 86953-52-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,9,5 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 86953-52:
(7*8)+(6*6)+(5*9)+(4*5)+(3*3)+(2*5)+(1*2)=178
178 % 10 = 8
So 86953-52-8 is a valid CAS Registry Number.

86953-52-8Relevant articles and documents

Palladium-Catalyzed Carbonylation. A New Synthesis of α-Methylene γ-, δ-, and ε-Lactams and -Lactones Including Bicyclic Lactams of Pyrrolizidine and Indolizidine Skeletons

Mori, Miwako,Washioka, Yumiko,Urayama, Takao,Yoshiura, Kagari,Chiba, Katsumi,Ban, Yoshio

, p. 4058 - 4067 (2007/10/02)

The insertion of carbon monoxide into vinyl halides bearing the secondary amine or alcohol with a catalytic amount of Pd(OAc)2 and PPh3 was realized to give five-, six-, and seven-membered lactams and lactones carrying α-methylene groups in fairly good yields.Bicyclic heterocycles, pyrrolizidine and indolizidine derivatives, were also synthesized from pyrrolidine and piperidine derivatives possessing vinyl halide groups in the side chain at the 2-position of the ring by means of palladium-catalyzed carbonylation.

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