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40595-34-4

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40595-34-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40595-34-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,5,9 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 40595-34:
(7*4)+(6*0)+(5*5)+(4*9)+(3*5)+(2*3)+(1*4)=114
114 % 10 = 4
So 40595-34-4 is a valid CAS Registry Number.

40595-34-4Relevant articles and documents

Electrophilic difluoro(phenylthio)methylation: Generation, stability, and reactivity of α-fluorocarbocations

Betterley, Nolan M.,Surawatanawong, Panida,Prabpai, Samran,Kongsaeree, Palangpon,Kuhakarn, Chutima,Pohmakotr, Manat,Reutrakul, Vichai

, p. 5666 - 5669 (2013)

Electrophilic difluoro(phenylthio)methylation of allylsilanes has been achieved using bromodifluoro(phenylthio)methane (PhSCF2Br) and silver hexafluoroantimonate (AgSbF6). The structural assignment and observation of α-fluorocarbocation were substantiated by NMR and theoretical calculations. Detailed mechanistic and electronic studies have provided a fundamental understanding of the reactivity and stability of the difluoro(phenylthio)methylium cation (PhSCF2+).

Diastereoselective Addition of Prochiral Nucleophilic Alkenes to α-Chiral N-Sulfonyl Imines

Ando, Kaori,Fettinger, James,Gutierrez, David A.,Houk, K. N.,Shaw, Jared T.

supporting information, p. 1164 - 1168 (2022/02/14)

The Lewis-acid-promoted addition of prochiral E- and Z-allyl nucleophiles to chiral α-alkoxy N-tosyl imines is described. Alkene geometry is selectively transferred to the newly formed carbon-carbon bond, resulting in stereochemical control of C1, C2, and C3 of the resulting 2-alkoxy-3-N-tosyl-4-alkyl-5-hexene products. A computational analysis to elucidate the high selectivity is also presented. This methodology was employed in the synthesis of two naturally occurring isomers of clausenamide.

Nickel-Mediated Enantiospecific Silylation via Benzylic C-OMe Bond Cleavage

Balakrishnan, Venkadesh,Murugesan, Vetrivelan,Chindan, Bincy,Rasappan, Ramesh

, p. 1333 - 1338 (2021/02/20)

Benzylic stereocenters are found in bioactive and drug molecules, as enantiopure benzylic alcohols have been used to build such a stereogenic center, but are limited to the construction of a C-C bond. Silylation of alkyl alcohols has the potential to build bioactive molecules and building blocks; however, the development of such a process is challenging and unknown. Herein, we describe an unprecedented AgF-assisted nickel catalysis in the enantiospecific silylation of benzylic ethers.

METHOD FOR PRODUCING ALLYLSILANE COMPOUND

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Paragraph 0027; 0033; 0034; 0038, (2017/09/19)

PROBLEM TO BE SOLVED: To provide a method for producing an allylsilane compound which can efficiently produce an allylsilane compound. SOLUTION: An allylsilane compound can be efficiently produced by the reaction between a halogenated allyl compound and a disilane compound in the presence of a palladium element-containing nanoparticle having solvent coordinated on the surface. SELECTED DRAWING: Figure 2 COPYRIGHT: (C)2017,JPOandINPIT

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