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1208337-40-9

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1208337-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1208337-40-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,8,3,3 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1208337-40:
(9*1)+(8*2)+(7*0)+(6*8)+(5*3)+(4*3)+(3*7)+(2*4)+(1*0)=129
129 % 10 = 9
So 1208337-40-9 is a valid CAS Registry Number.

1208337-40-9Downstream Products

1208337-40-9Relevant academic research and scientific papers

Catalytic double stereoinduction in asymmetric allylic alkylation of oxindoles

Trost, Barry M.,Zhang, Yong

supporting information; experimental part, p. 296 - 303 (2010/03/24)

A highly regio-, diastereo-, and enantioselective allylic alkylation reaction of 3-monosubstituted oxindoles catalyzed by molybdenum is described. The reaction is affected by the electronic and steric variations of the nucleophile. The use of appropriate N-protecting group is particularly important for achieving high regio- and diastereoselectivity. Products from this reaction, containing vicinal quaternary-tertiary stereogenic centers, are valuable synthetic intermediates and should find utility in alkaloid synthesis.

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