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215929-28-5

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215929-28-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 215929-28-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,9,2 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 215929-28:
(8*2)+(7*1)+(6*5)+(5*9)+(4*2)+(3*9)+(2*2)+(1*8)=145
145 % 10 = 5
So 215929-28-5 is a valid CAS Registry Number.

215929-28-5Relevant articles and documents

Rh-Catalyzed Asymmetric Conjugate Addition of Arylboronic Acids to 3-Arylpropenoates: Enantioselective Synthesis of (R)-Tolterodine

Zullo, Valerio,Iuliano, Anna

, p. 1377 - 1384 (2019/01/04)

A highly enantioselective conjugate addition of arylboronic acids to 3-arylpropenoates is presented. The rhodium complexes obtained from deoxycholic acid derived binaphthyl phosphites showed good activity as well as very high enantioselectivity (ee up to 99 %) in the conjugate addition to different ethyl-3-arylpropenoates, allowing to obtain useful chiral building blocks for the synthesis of active pharmaceutical ingredients. The method was applied to the enantioselective synthesis of the antimuscarinic drug (R)-tolterodine.

Asymmetric total synthesis of (+)-tolterodine, a new muscarinic receptor antagonist, via copper-assisted asymmetric conjugate addition of aryl Grignard reagents to 3-phenyl-prop-2-enoyl-oxazolidinones

Andersson, Pher G.,Schink, Hans E.,Oesterlund, Krister

, p. 8067 - 8070 (2007/10/03)

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