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27019-10-9

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27019-10-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27019-10-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,0,1 and 9 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 27019-10:
(7*2)+(6*7)+(5*0)+(4*1)+(3*9)+(2*1)+(1*0)=89
89 % 10 = 9
So 27019-10-9 is a valid CAS Registry Number.

27019-10-9Relevant articles and documents

Asymmetric Hydrogenation of Racemic Allylic Alcohols via an Isomerization-Dynamic Kinetic Resolution Cascade

Guo, Xin,Niu, Saisai,Sun, Huaming,Tang, Weijun,Wang, Chao,Wang, Kun,Xiao, Jianliang,Xue, Dong

, (2022/02/05)

Prochiral racemic allylic alcohols are converted to enantioenriched chiral alcohols bearing adjacent stereocenters catalyzed by a diamine diphosphine Ru complex in the presence of tBuOK. The protocol features a broad substrate scope (56 examples) and high

Switchable β-alkylation of secondary alcohols with primary alcohols by a well-defined cobalt catalyst

Ding, Keying,Pandey, Bedraj,Xu, Shi

supporting information, p. 1207 - 1212 (2021/05/29)

β-alkylation of secondary alcohols with primary alcohols to selectively generate alcohols by a well-defined Co catalyst is presented. Remarkably, a low catalyst loading of 0.7 mol % can be employed for the reaction. More significantly, this study represents the first Co-catalyzed switchable alcohol/ketone synthesis by simply manipulating the reaction parameters. In addition, the transformation is environmentally friendly, with water as the only byproduct.

Iridium(I)-Catalyzed C-C and C-N Bond Formation Reactions via the Borrowing Hydrogen Strategy

Gen?, Serta?,Arslan, Burcu,Gülcemal, Süleyman,Günnaz, Salih,?etinkaya, Bekir,Gülcemal, Derya

, p. 6286 - 6297 (2019/05/17)

Iridium(I) complexes having an imidazol-2-ylidene ligand with benzylic wingtips efficiently catalyzed the β-alkylation of secondary alcohols with primary alcohols and acceptorless dehydrogenative cyclization of 2-aminobenzyl alcohol with ketones through a borrowing hydrogen pathway. The β-alkylated alcohols, including cholesterol derivatives, and substituted quinolines were obtained in good yields by using a minute amount of the catalyst with a catalytic amount of NaOH or KOH under the air atmosphere, liberating water (and H2 in the case of quinoline synthesis) as the sole byproduct. Notably, this system demonstrated turnover numbers of 940 000 (for β-alkylation of secondary alcohols with primary alcohols by using down to 0.0001 mol % = 1 ppm of the catalyst) and 9200 (acceptorless dehydrogenative cyclization of 2-aminobenzyl alcohol with ketones).

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