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1312991-15-3

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  • 3-[[3,5-Bis(trifluoromethyl)phenyl]amino]-4-[[(1S,2S)-2-(1-piperidinyl)cyclohexyl]amino]-3-cyclobutene-1,2-dione

    Cas No: 1312991-15-3

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1312991-15-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1312991-15-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,9,9 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1312991-15:
(9*1)+(8*3)+(7*1)+(6*2)+(5*9)+(4*9)+(3*1)+(2*1)+(1*5)=143
143 % 10 = 3
So 1312991-15-3 is a valid CAS Registry Number.

1312991-15-3Downstream Products

1312991-15-3Relevant articles and documents

Chiral squaramide-catalyzed highly enantioselective michael addition of 2-hydroxy-1,4-naphthoquinones to nitroalkenes

Yang, Wen,Du, Da-Ming

, p. 1241 - 1246 (2011/06/26)

A chiral squaramide-organocatalyzed, highly enantioselective Michael addition of 2-hydroxy-1,4-naphthoquinones to nitroalkenes has been developed. This reaction afforded the chiral naphthoquinones in excellent yields (up to 99%) and excellent enantioselectivity (up to 98% ee) under very low catalyst loading (0.25 mol%). This organocatalytic asymmetric Michael addition provides an efficient alternative route toward the synthesis of chiral functionalized naphthoquinones.

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