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129170-74-7

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129170-74-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129170-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,7 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 129170-74:
(8*1)+(7*2)+(6*9)+(5*1)+(4*7)+(3*0)+(2*7)+(1*4)=127
127 % 10 = 7
So 129170-74-7 is a valid CAS Registry Number.

129170-74-7Relevant articles and documents

Cp2TiCl2-Catalyzed Photoredox Allylation of Aldehydes with Visible Light

Bergamini, Giacomo,Calogero, Francesco,Cozzi, Pier Giorgio,Fermi, Andrea,Gualandi, Andrea,Guazzi, Simone,Mazzarini, Martino

, p. 3857 - 3863 (2020/03/26)

A Barbier-type Cp2TiCl2-mediated (10 mol %) photoredox allylation of aldehydes under irradiation with visible light (blue light-emitting diodes (LEDs), 450 nm) and in the presence of an organic dye (3DPAFIPN, 5 mol %) with allylbromides is described.

Syn -Selective crotylation of aldehydes using bismuth-crotyl bromide-(1-butyl-3-methylimidazolium bromide) combination: Some synthetic applications

Goswami, Dibakar,Koli, Mrunesh R.,Chatterjee, Sucheta,Chattopadhyay, Subrata,Sharma, Anubha

, p. 3756 - 3774 (2017/07/07)

The Bi-[bmim][Br] combination has been found to offer high syn-selectivity in the crotylation of aldehydes with crotyl bromide using practically stoichiometric amounts of the reagents. The room temperature ionic liquid (RTIL), [bmim][Br], activated Bi metal in the presence of oxygen to produce crotylbismuthdibromide, which reacted with the aldehydes at room temperature. The major anti-syn diastereomeric product obtained from the crotylation of (R)-cyclohexylideneglyceraldehyde was utilized for the synthesis of dictyostatin and cryptophycin segments, and (+)-cis-aerangis lactone, using standard synthetic protocols.

Transition-metal-free reductive coupling of 1, 3-butadienes with aldehydes catalyzed by dibutyliodotin hydride

Suzuki, Itaru,Uji, Yuki,Kanaya, Shujiro,Ieki, Ryosuke,Tsunoi, Shinji,Shibata, Ikuya

supporting information, p. 5392 - 5394 (2017/11/07)

In this study, the Bu2SnIH-catalyzed direct coupling of 1, 3- dienes with aldehydes was developed. This reaction could be suitable for coupling without the use of transition-metal catalysts. Many types of aldehydes were applied to this reaction. The addition of MeOH promoted the catalytic cycle.

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