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117136-22-8

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117136-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117136-22-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,1,3 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 117136-22:
(8*1)+(7*1)+(6*7)+(5*1)+(4*3)+(3*6)+(2*2)+(1*2)=98
98 % 10 = 8
So 117136-22-8 is a valid CAS Registry Number.

117136-22-8Relevant articles and documents

N-heterocyclic carbene catalyzed C-glycosylation: A concise approach from stetter reaction

Vedachalam, Seenuvasan,Tan, Shi Min,Teo, Hui Ping,Cai, Shuting,Liu, Xue-Wei

, p. 174 - 177 (2012)

Described herein is the first example of an organocatalytic approach for acylanion addition to the anomeric carbon of 2-nitroglucal using an N-heterocyclic carbene catalyst. Control over the reaction conditions gives β-selective and nitro-eliminated C-glycosides, providing opportunities to produce new classes of C-glycoside.

Acetyl chloride - Silver nitrate - Acetonitrile: A reagent system for the synthesis of 2-nitroglycals and 2-nitro-1-acetamido sugars from glycals

Kancharla, Pavan K.,Reddy, Y. Suman,Dharuman, Suresh,Vankar, Yashwant D.

scheme or table, p. 5832 - 5837 (2011/09/20)

A new reagent system comprising acetyl chloride, silver nitrate, and acetonitrile has been developed for the synthesis of 2-nitroglycals from the corresponding glycals. Under certain conditions, the formation of 2-nitro-1-acetamido sugars has also been observed. In addition, a few other non-carbohydrate-derived olefins also gave the corrresponding conjugated nitroolefins.

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