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874651-69-1

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874651-69-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 874651-69-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,6,5 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 874651-69:
(8*8)+(7*7)+(6*4)+(5*6)+(4*5)+(3*1)+(2*6)+(1*9)=211
211 % 10 = 1
So 874651-69-1 is a valid CAS Registry Number.

874651-69-1Relevant articles and documents

Asymmetric Hydroarylation of Enones via Nickel-Catalyzed 5- Endo-Trig Cyclization

Qin, Xurong,Yao Lee, Marcus Wen,Zhou, Jianrong Steve

, p. 5990 - 5994 (2019)

A nickel-catalyzed reductive cyclization of enones affords a wide array of indanones in high enantiomeric induction. The reaction is featured with an unprecedented broad scope of substrates. The versatility of the new method is demonstrated in several short stereoselective syntheses of medically valuable (R)-tolterodine, parent and deuterated (+)-indatraline, and an antitumor natural product, (+)-multisianthol. In comparison, these compounds cannot be prepared satisfactorily via analogous processes catalyzed by palladium.

Novel process and intermediates

-

, (2008/06/13)

The invention relates to a process for the enantioselective preparation of tolterodine and analogues and salts thereof comprises the steps of: a) enantioselectively reducing the carbonyl function in a compound of formula (II): 1?wherein R1, Rs

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