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80754-26-3

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80754-26-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80754-26-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,7,5 and 4 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 80754-26:
(7*8)+(6*0)+(5*7)+(4*5)+(3*4)+(2*2)+(1*6)=133
133 % 10 = 3
So 80754-26-3 is a valid CAS Registry Number.

80754-26-3Relevant articles and documents

Ruthenium-catalyzed intramolecular arene C(sp2)-H amidation for synthesis of 3,4-dihydroquinolin-2(1 H)-ones

Au, Chi-Ming,Ling, Cho-Hon,Sun, Wenlong,Yu, Wing-Yiu

, p. 3310 - 3314 (2021/05/29)

We report the [Ru(p-cymene)(l-proline)Cl] ([Ru1])-catalyzed cyclization of 1,4,2-dioxazol-5-ones to form dihydroquinoline-2-ones in excellent yields with excellent regioselectivity via a formal intramolecular arene C(sp2)-H amidation. The reactions of the 2- and 4-substituted aryl dioxazolones proceeds initially through spirolactamization via electrophilic amidation at the arene site, which is para or ortho to the substituent. A Hammett correlation study showed that the spirolactamization is likely to occur by electrophilic nitrenoid attack at the arene, which is characterized by a negative ρ value of -0.73.

Transition Metal Free C-N Bond Forming Dearomatizations and Aryl C-H Aminations by in Situ Release of a Hydroxylamine-Based Aminating Agent

Farndon, Joshua J.,Ma, Xiaofeng,Bower, John F.

, p. 14005 - 14008 (2017/10/17)

We outline a simple protocol that accesses directly unprotected secondary amines by intramolecular C-N bond forming dearomatization or aryl C-H amination. The method is dependent on the generation of a potent electrophilic aminating agent released by in situ deprotection of O-Ts activated N-Boc hydroxylamines.

Phenyl derivatives, their manufacture and use as pharmaceutical agents

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Page/Page column 60, (2010/02/11)

This invention relates to compounds of the formula wherein one of R5, R6 and R7 is and X1, X2, Y1 to Y4, R1 to R13 and m and n are defined in the description, and to all enantiomers and pharmaceutically acceptable salts and/or esters thereof. The invention further relates to pharmaceutical compositions containing such compounds, to a process for their preparation and to their use for the treatment and/or prevention of diseases which are modulated by PPARδ and/or PPARα agonists.

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