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4663-36-9

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4663-36-9 Usage

Synthesis Reference(s)

Tetrahedron Letters, 35, p. 1507, 1994 DOI: 10.1016/S0040-4039(00)76744-X

Check Digit Verification of cas no

The CAS Registry Mumber 4663-36-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,6 and 3 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4663-36:
(6*4)+(5*6)+(4*6)+(3*3)+(2*3)+(1*6)=99
99 % 10 = 9
So 4663-36-9 is a valid CAS Registry Number.
InChI:InChI=1/C21H18O/c22-21(19-12-6-2-7-13-19,20-14-8-3-9-15-20)17-16-18-10-4-1-5-11-18/h1-17,22H/b17-16+

4663-36-9Relevant articles and documents

FeCl3-catalyzed 1,2-addition reactions of aryl aldehydes with arylboronic acids

Zou, Tao,Pi, Sha-Sha,Li, Jin-Heng

supporting information; experimental part, p. 453 - 456 (2009/07/11)

(Chemical Equation Presented) A novel protocol for the 1,2-addition reactions of electron-deficient aryl aldehydes with arylboronic acids using an inexpensive and environmentally benign iron catalyst is reported. In the presence of FeCl3 and 2-

Reactions of Carbonyl Compounds with Grignard Reagents in the Presence of Cerium Chloride

Imamoto, Tsuneo,Takiyama, Noboyuki,Nakamura, Kimikazu,Hatajima, Toshihiko,Kamiya, Yasuo

, p. 4392 - 4398 (2007/10/02)

The addition of Grignard reagents to ketones is significantly enhanced by cerium chloride with remarkable supression of side reactions, particularly enolization.Some esters, which are prone to side reactions, also react readily with Grignard reagents in the presence of cerium chloride to give normal reaction products in reasonable to high yields.

CERIUM CHLORIDE-PROMOTED NUCLEOPHILIC ADDITION OF GRIGNARD REAGENTS TO KETONES AN EFFICIENT METHOD FOR THE SYNTHESIS OF TERTIARY ALCOHOLS

Imamoto, Tsuneo,Takiyama, Nobuyuki,Nakamura, Kamikazu

, p. 4763 - 4766 (2007/10/02)

In the presence of anhydrous cerium(III) chloride, Grignard reagents react with ketones to afford addition products in high yields, even though the substrates are susceptible to abnormal reactions with Grignard reagents alone.

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