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1434533-51-3

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1434533-51-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1434533-51-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,4,5,3 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1434533-51:
(9*1)+(8*4)+(7*3)+(6*4)+(5*5)+(4*3)+(3*3)+(2*5)+(1*1)=143
143 % 10 = 3
So 1434533-51-3 is a valid CAS Registry Number.

1434533-51-3Relevant articles and documents

(Thiolan-2-yl)diphenylmethyl benzyl ether/N,N′-diarylurea cocatalyzed asymmetric aziridination of cinnamyl bromide and aryl aldimine

Wang, Shang-Hua,Chein, Rong-Jie

, p. 2607 - 2615 (2016/05/11)

A dual catalyst system using THT-based chiral sulfide 2a and H-bond donor 10a was developed for the asymmetric imino Corey-Chaykovsky reaction. Under the optimum reaction conditions, cinnamyl bromide reacted with a wide scope of N-diphenylphosphinic aldim

Concise synthesis of chiral N -Benzyl-α,α-Diarylprolinols through shi asymmetric epoxidation

Li, Jie,Zhou, Hai,Weng, Jiangsen,Wang, Mingwen,Ge, Chengsheng,Tu, Wujie

supporting information, p. 805 - 808 (2014/04/03)

A concise and practical synthesis of chiral N-benzyl-α,α- diaryl-2-prolinols was developed through Shi asymmetric epoxidation, followed by double nucleophilic substitution of bromo-containing olefins. A series of enantioenriched N-benzyl-α,α-diaryl-2-prolinols were obtained with excellent enantioselectivities (96% ee) in moderate to good yields (40-76% yield). For the first time, enantiopure N-benzyl-α,α-diphenyl-2- prolinol was obtained from bromo-containing olefin using this methodology. Georg Thieme Verlag Stuttgart, New York.

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