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65359-61-7

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65359-61-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65359-61-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,3,5 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65359-61:
(7*6)+(6*5)+(5*3)+(4*5)+(3*9)+(2*6)+(1*1)=147
147 % 10 = 7
So 65359-61-7 is a valid CAS Registry Number.

65359-61-7Relevant articles and documents

Study on the selectivity in the electrophilic monofluorination of 2,3-allenoates with Selectfluor: An efficient synthesis of 4-fluoro-2(5H)-furanones and 3-fluoro-4-oxo-2(E)-alkenoates

Lue, Bo,Fu, Chunling,Ma, Shengming

supporting information; experimental part, p. 274 - 281 (2010/04/24)

Different from the reaction of 2,3-allenoic acids with Selectfluor, 4-fluoro-2(5H)-furanones and (E)-3-fluoro-4-oxo-2-alkenoates were highly selectively generated from 2,4-disubstituted 2,3-allenoates with Selectfluor under different conditions in moderate yields. The reaction of 2, 4, 4-trisubstituted 2,3-allenoates afforded the corresponding 4-fluoro-2(5H)-furanones highly selectively with up to 95% yield under different conditions. The scope of the substrates has been carefully explored. Due to the more readily availability of 2,3-allenoates as compared to 2,3-allenoic acids, new 4-fluoro-2(5H)furanones were prepared. Based on the isolation and characterization of the minor fluorohydroxylation product E-5m, a mechanism has been proposed. The Royal Society of Chemistry 2010.

Olefination of ketenes for the enantioselective synthesis of allenes via an ylide route

Li, Chuan-Ying,Zhu, Ben-Hu,Ye, Long-Wu,Jing, Qing,Sun, Xiu-Li,Tang, Yong,Shen, Qi

, p. 8046 - 8053 (2008/02/08)

Pseudo-C2-symmetric chiral phosphorus ylide is designed and synthesized for the enantioselective preparation of allenic esters, amides, ketone, and nitrile. Up to 92% ee is achieved.

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