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1334298-55-3

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1334298-55-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1334298-55-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,2,9 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1334298-55:
(9*1)+(8*3)+(7*3)+(6*4)+(5*2)+(4*9)+(3*8)+(2*5)+(1*5)=163
163 % 10 = 3
So 1334298-55-3 is a valid CAS Registry Number.

1334298-55-3Downstream Products

1334298-55-3Relevant articles and documents

Enantioselective Fluorocyclizations Mediated by Amino-Acid-Derived Phthalazine

Gao, Hao,Hu, Rongbin,Jiang, Xiaojian,Liu, Shenghui,Mai, Yudong,Wang, Haitao,Wang, Yongheng,Yeung, Ying-Yeung,Zong, Xiangxin

, p. 5334 - 5339 (2019)

Novel amino-acid-derived phthalazine reagents have been designed and synthesized for the enantioselective fluorocyclizations of prochiral indoles. The scope of reaction is evidenced by 28 examples of fluorinated furoindole and pyrroloindole heterocycles b

Organocatalyzed enantioselective fluorocyclizations

Lozano, Oscar,Blessley, George,Martinez Del Campo, Teresa,Thompson, Amber L.,Giuffredi, Guy T.,Bettati, Michela,Walker, Matthew,Borman, Richard,Gouverneur, Veronique

, p. 8105 - 8109 (2011/10/03)

Enantioenriched fluorinated heterocycles can be prepared through fluorocyclizations of prochiral indoles (see scheme; Ts=tosyl, Bn=benzyl, Boc=tert-butoxycarbonyl). More than twenty examples for this cascade fluorination-cyclization, which is catalyzed by cinchona alkaloids and employs N-fluorobenzenesulfonimide as the electrophilic fluorine source have been explored, and an unprecedented catalytic asymmetric difluorocyclization has also been identified.

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