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84911-80-8

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84911-80-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84911-80-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,9,1 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 84911-80:
(7*8)+(6*4)+(5*9)+(4*1)+(3*1)+(2*8)+(1*0)=148
148 % 10 = 8
So 84911-80-8 is a valid CAS Registry Number.

84911-80-8Relevant articles and documents

Total Synthesis of the Potent and Broad-Spectrum Antibiotics Amycolamicin and Kibdelomycin

Chen, Chenglong,Chen, Jie,Li, Chao,Yang, Shaoqiang

supporting information, p. 21258 - 21263 (2021/12/17)

The complex and intriguing structures of the antibiotics amycolamicin and kibdelomycin are herein confirmed through total synthesis. Careful titration of the synthetic products reveals that kibdelomycin is the salt form of amycolamicin. This synthesis emp

Boronic Acids as Phase-Transfer Reagents for Fischer Glycosidations in Low-Polarity Solvents

Manhas, Sanjay,Taylor, Mark S.

, p. 11406 - 11417 (2017/11/10)

Protocols employing phenylboronic acid as a phase-transfer reagent for Fischer glycosidations in low-polarity organic solvents are described. In addition to providing rate acceleration, the formation of a substrate-derived boronic ester alters the course of the reaction by selective promotion of a furanoside- or pyranoside-selective pathway. Computational modeling of the relative energies of the glycoside-derived boronic esters provides results that are qualitatively consistent with the observed distributions of furanoside versus pyranoside products. The boronic esters that are obtained as direct products of these reactions serve as protected intermediates for the synthesis of functionalized glycosides. Complexation of particular diol groups by the boronic acid also enables selective transformations of mixtures of carbohydrates.

Application of the Wharton rearrangement for the de novo synthesis of pyranosides with ido, manno, and colito stereochemistry

Cuccarese, Michael F.,Wang, Hua-Yu Leo,O'Doherty, George A.

, p. 3067 - 3075 (2013/06/27)

A de novo asymmetric synthesis of α-ido-pyranosides, as well as several deoxy and amino variants, has been achieved. The procedure involves a palladium(0)-catalyzed glycosylation in combination with a Wharton rearrangement/epoxide-opening reaction sequence to access sugars with ido, manno, and colito stereochemistry as well as several azido analogues. A de novo asymmetric synthesis of α-ido-pyranosides, as well as several deoxy and amino variants, has been achieved. The procedure involves a palladium(0)- catalyzed glycosylation in combination with a Wharton rearrangement/epoxide- opening reaction sequence to access sugars with ido, manno, and colito stereochemistry as well as several azido analogues. Copyright

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