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30979-34-1

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30979-34-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 30979-34-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,9,7 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 30979-34:
(7*3)+(6*0)+(5*9)+(4*7)+(3*9)+(2*3)+(1*4)=131
131 % 10 = 1
So 30979-34-1 is a valid CAS Registry Number.

30979-34-1Downstream Products

30979-34-1Relevant articles and documents

Successive carbon-carbon bond formation by sequential generation of radical and anionic species with manganese and catalytic amounts of PbCl2 and Me3SiCl

Takai, Kazuhiko,Ueda, Takashi,Ikeda, Norihiko,Ishiyama, Takaya,Matsushita, Hiroshi

, p. 347 - 353 (2007/10/03)

Three-component coupling reactions of iodoalkanes, α,β-unsaturated nitriles (or esters), and carbonyl compounds are achieved in good to excellent yields with a moderate reducing system derived from manganese metal and a catalytic amount of PbCl2 and Me3SiCl. Although the role of PbCl2 is unclear, addition of a catalytic amount of the salt is essential for reducing the iodoalkane. The reaction proceeds with primary, secondary, and tertiary iodoalkanes. Both acrylonitrile and acrylic esters can be employed as activated olefins, while the reaction with an alkyl vinyl ketone gives a complex mixture. Ketones and aldehydes can be used as the third component and the diastereoselectivity of the anionic addition is approximately 1: 1-2: 1 ratio. By using the heterogenerative process, i.e., successive 1,4-addition by radical and anionic internal addition, cyclopropanation of electron- deficient olefins is achieved with chloroiodomethane, manganese, PbCl2, Me3SiCl, and DMAP.

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