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568588-47-6

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568588-47-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 568588-47-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,8,5,8 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 568588-47:
(8*5)+(7*6)+(6*8)+(5*5)+(4*8)+(3*8)+(2*4)+(1*7)=226
226 % 10 = 6
So 568588-47-6 is a valid CAS Registry Number.

568588-47-6Relevant articles and documents

Asymmetric cyclization-carbonylation of 2-propargyl-1,3-dione

Kato, Keisuke,Tanaka, Maki,Yamamura, Shigeo,Yamamoto, Yasuhiro,Akita, Hiroyuki

, p. 3089 - 3092 (2003)

The first example of asymmetric cyclization-carbonylation of 2-propargyl-1,3-dione 1 catalyzed by palladium(II) with chiral bisoxazolines (C.H.-BOX) was investigated. The use of bulky alcohols increased the ee of the products 2. The product 2d was converted into bicyclic enones 7 and 8, a useful intermediate for the synthesis of natural products.

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