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120109-26-4

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120109-26-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120109-26-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,1,0 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 120109-26:
(8*1)+(7*2)+(6*0)+(5*1)+(4*0)+(3*9)+(2*2)+(1*6)=64
64 % 10 = 4
So 120109-26-4 is a valid CAS Registry Number.

120109-26-4Downstream Products

120109-26-4Relevant articles and documents

STUDIES ON THE REACTION OF α-IMINO ESTERS WITH ORGANOMETALLIC COMPOUNDS

Yamamoto, Yoshinori,Ito, Wataru

, p. 5415 - 5424 (2007/10/02)

Benzylzinc reagent reacted with α-amino ester ( 2 ) at the α-carbon exclusively, though other organometallic reagents such as Mg, Al, Cu, Ti, and B derivatives reacted at the nitrogen atom.Use of the (S)-amine as a chiral auxiliary of 2 created the R chirality at the imino carbon.Very high chiral induction was realized in the reaction of prenylzinc reagent with α-imino 8-(-)phenylmenthyl ester ( 10 ).The reaction of 2 with heteroatom substituted allylic organometallic compounds ( 15 ) gave the corresponding α-heteroatom substituted amino acid derivatives ( 16 ).Here again, the allylic zinc reagent gave the adduct in higher yield than the corresponding Ti, Al, and B reagents.

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