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90862-32-1

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90862-32-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90862-32-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,6 and 2 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 90862-32:
(7*9)+(6*0)+(5*8)+(4*6)+(3*2)+(2*3)+(1*2)=141
141 % 10 = 1
So 90862-32-1 is a valid CAS Registry Number.

90862-32-1Relevant articles and documents

Hammett ρ of reactions of MeLi with benzophenones

Maclin, Keith M.,Richey Jr., Herman G.

, p. 4370 - 4371 (2002)

Relative rates of reactions of MeLi with benzophenones in diethyl ether at 0 °C that furnish methyldiaryl-methanols were determined using slow addition of a MeLi solution to solutions containing an excess of two benzophenones. The additions exhibit a Hammett p of 0.94.

Rhodium(I)/diene-catalyzed addition reactions of arylborons with ketones

Liao, Yuan-Xi,Xing, Chun-Hui,Hu, Qiao-Sheng

supporting information; experimental part, p. 1544 - 1547 (2012/06/05)

Rh(I)/diene-catalyzed addition reactions of arylboroxines/arylboronic acids with unactivated ketones to form tertiary alcohols in good to excellent yields are described. By using C2-symmetric (3aR,6aR)-3,6-diaryl-1,3a,4,6a- tetrahydropentalenes as ligands, the asymmetric version of such an addition reaction, with up to 68% ee, was also realized.

C,O-dilithiated diarylmethanols: Easy and improved preparation by naphthalene-catalysed lithiation of diaryl ketones and reactivity toward electrophiles

Guijarro,Mancheno,Yus

, p. 1327 - 1334 (2007/10/02)

The lithiation of different diaryl ketones 1 with an excess of lithium powder and a catalytic amount (8 mol %) of naphthalene in tetradrofuran at -30°C leads to the formation of the corresponding dianions of the type I, with Met=Li, which react with several electrophiles (E+=MeI, EtBr, Pr(i)CHO, PhCHO, cyclohexanone, MeCN) to give, after hydrolysis, the expected substituted diarylmethanols 2.

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