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111945-91-6

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111945-91-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111945-91-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,9,4 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 111945-91:
(8*1)+(7*1)+(6*1)+(5*9)+(4*4)+(3*5)+(2*9)+(1*1)=116
116 % 10 = 6
So 111945-91-6 is a valid CAS Registry Number.

111945-91-6Relevant articles and documents

Visible light promoted allylic C-H oxidation

Srivastava, Vishal,Singh, Pravin K.,Singh, Praveen P.

, p. 435 - 441 (2017)

A mild and efficient one-pot visible light-induced method has been developed for the allylic oxidation. The oxidation of allylic systems has played a prominent role in this context as possibly the most widely applied C-H functionalization, owing to the utility of enones. The allylic C-H oxidation is relatively simple and predictable, even on a preparative scale, because active species generated at the allylic position are stabilized by the double bond.

Synthesis of chiral seven-membered β-substituted lactams: Via Rh-catalyzed asymmetric hydrogenation

Huang, Yi,Li, Pan,Dong, Xiu-Qin,Zhang, Xumu

supporting information, p. 8819 - 8823 (2018/11/30)

Rh/bisphosphine-thiourea ligand (ZhaoPhos)-catalyzed asymmetric hydrogenation of seven-membered β-substituted α,β-unsaturated lactams was successfully developed to prepare various chiral seven-membered β-substituted lactams with good to excellent results (up to >99% conversion, 99% yield, and >99% ee).

Copper/Selectfluor-System-Catalyzed Dehydration-Oxidation of Tertiary Cycloalcohols: Access to β-Substituted Cyclohex-2-enones, 4-Arylcoumarins, and Biaryls

Ren, Shaobo,Zhang, Jian,Zhang, Jiahui,Wang, Heng,Zhang, Wei,Liu, Yunkui,Liu, Miaochang

supporting information, p. 5381 - 5388 (2015/08/24)

A route to β-substituted cyclohex-2-enones, 4-arylcoumarins, and biaryls has been developed. This approach involves a one-pot Cu0/Selectfluor-catalyzed dehydration-oxidation of tertiary cycloalcohols. Thus, by using 2 equiv. of Selectfluor at 25 C, the dehydration-oxidation of tertiary cyclohexanols and oxabenzocyclohexanols gave β-substituted cyclohex-2-enones and 4-arylcoumarins, respectively; whereas the dehydration-oxidation of tertiary cyclohexanols gave biaryls as the final products by using 2.5 equiv. of Selectfluor at 80 C. A route to β-substituted cyclohex-2-enones, 4-arylcoumarins, and biaryls has been developed. This approach involves a one-pot Cu0/Selectfluor-catalyzed dehydration-oxidation of tertiary cycloalcohols.

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