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61054-60-2

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61054-60-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61054-60-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,0,5 and 4 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 61054-60:
(7*6)+(6*1)+(5*0)+(4*5)+(3*4)+(2*6)+(1*0)=92
92 % 10 = 2
So 61054-60-2 is a valid CAS Registry Number.

61054-60-2Relevant articles and documents

AROMATIC DERIVATIVES, PREPARATION METHODS, AND MEDICAL USES THEREOF

-

, (2020/09/19)

The present disclosure relates generally to aromatic derivatives that are inhibitors of FGFR4 and are useful in treating FGFR4-associated diseases or conditions. Compositions containing the compounds of the present disclosure are also provided.

Enantioselective synthesis of (-)-CP-55940 via ruthenium-catalyzed asymmetric hydrogenation of ketones

Cheng, Li-Jie,Xie, Jian-Hua,Wang, Li-Xin,Zhou, Qi-Lin

supporting information; experimental part, p. 1105 - 1113 (2012/05/21)

A new and efficient catalytic asymmetric synthesis of the potent cannabinoid receptor agonist (-)-CP-55940 has been developed by using ruthenium-catalyzed asymmetric hydrogenation of racemic α-aryl ketones via dynamic kinetic resolution (DKR) as a key step. With RuCl2-SDPs/ diamine [SDPs=7,7'-bis(diarylphophino)-1,1'-spirobiindane] catalysts the asymmetric hydrogenation of racemic α-arylcyclohexanones via DKR provided the corresponding cis-β-arylcyclohexanols in high yields with up to 99.3% ee and >99:1 cis-selectivities. Both ethylene ketal group at the cyclohexane ring and ortho-methoxy group at the phenyl ring of the substrates 6 have little effect on the selectivity and reactivity of the hydrogenations. Based on this highly efficient asymmetric ketone hydrogenation, (-)-CP-55940 was synthesized in 13 steps (the longest linear steps) in 14.6% overall yield starting from commercially available 3-methoxybenzaldehyde and 1,4-cyclohexenedione monoethylene acetal. Copyright

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