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29667-51-4

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29667-51-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 29667-51-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,6,6 and 7 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 29667-51:
(7*2)+(6*9)+(5*6)+(4*6)+(3*7)+(2*5)+(1*1)=154
154 % 10 = 4
So 29667-51-4 is a valid CAS Registry Number.

29667-51-4Relevant articles and documents

Hydrodehalogenation of alkyl halides catalyzed by a trichloroniobium complex with a redox active α-diimine ligand

Nishiyama, Haruka,Hosoya, Hiromu,Parker, Bernard F.,Arnold, John,Tsurugi, Hayato,Mashima, Kazushi

, p. 7247 - 7250 (2019)

A high-valent d0 niobium(v) complex, (α-diimine)NbCl3 (1), bearing a dianionic redox-active α-diimine ligand served as a catalyst for a hydrodehalogenation reaction of alkyl halides in the presence of PhSiH3. During the catalytic reaction, the redox-active α-diimine ligand allowed the complex to reversibly release and accept one-electron through switching its coordination mode between a dianionic folded form and a monoanionic planar one.

Olefin cyclopropanations via sequential atom transfer radical addition-dechlorination reactions

Thommes, Katrin,Severin, Kay

scheme or table, p. 188 - 190 (2011/07/07)

In organic synthesis, cyclopropanation reactions are often performed with Simmons-Smith-type reagents or by transition metal catalyzed reactions of olefins with diazo compounds. A novel method for the synthesis of substituted cyclopropanes is described that is based on a two-step reaction sequence. Olefins are reacted with 1,1'-dichlorides in a Ru-catalyzed atom transfer radical addition (ATRA) process and the resulting 1,3-dichlorides are directly converted into cyclopropanes by reductive coupling with magnesium. This one-pot procedure is applicable to a variety of substrates and can be performed in an inter- or intramolecular fashion. Schweizerische Chemische Gesellschaft.

Reductive Carbonylation of gem-Dihalogenocyclopropanes by Pentacarbonyliron(0) in the Presence of Sodium Methoxide

Reyne, Francoise,Waegell, Bernard,Brun, Pierre

, p. 1162 - 1167 (2007/10/02)

The reaction of gem-dihalogenocyclopropanes derivatives with (tetracarbonyl)(methoxycarbonylato)ferrate(I-) has been investigated; gem-dibromocyclopropanes and gem-chlorobromocyclopropane derivatives are reduced and carbonylated.It could be shown that a bromo ester such as methyl 1-bromo-2-phenylcyclopropanecarboxylate is an intermediate in the transformation of 1,1-dibromo-2-phenylcyclopropane into methyl cis- and trans-2-phenylcyclopropanecarboxylates and dimethyl 2-phenyl-1,1-cyclopropanedicarboxylate.

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