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70753-59-2

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70753-59-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70753-59-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,7,5 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 70753-59:
(7*7)+(6*0)+(5*7)+(4*5)+(3*3)+(2*5)+(1*9)=132
132 % 10 = 2
So 70753-59-2 is a valid CAS Registry Number.

70753-59-2Downstream Products

70753-59-2Relevant articles and documents

GLYCOSYLATION USING GLUCOPYRANOSYL FLUORIDES AND SILICON-BASED CATALYSTS. SOLVENT DEPENDECY OF THE STEREOSELECTION

Hashimoto, S.,Hayashi, M.,Noyori, R.

, p. 1379 - 1382 (1984)

The title glycosylation method is economical and operationally simple.The steric course is highly influenced by the nature of the reaction media.

A "traceless" Directing Group Enables Catalytic SN2 Glycosylation toward 1,2- cis-Glycopyranosides

Fu, Yue,Liu, Peng,Ma, Xu,Zhang, Liming,Zheng, Zhitong,Zhu, Xijun

supporting information, p. 11908 - 11913 (2021/08/20)

Generally applicable and stereoselective formation of 1,2-cis-glycopyranosidic linkage remains a long sought after yet unmet goal in carbohydrate chemistry. This work advances a strategy to this challenge via stereoinversion at the anomeric position of 1,2-trans glycosyl ester donors. This SN2 glycosylation is enabled under gold catalysis by an oxazole-based directing group optimally tethered to a leaving group and achieved under mild catalytic conditions, in mostly excellent yields, and with good to outstanding selectivities. The strategy is also applied to the synthesis of oligosaccharides.

Visible light promoted method for constructing O-glycoside bonds

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Paragraph 0028-0029, (2020/07/13)

The invention discloses a visible light promoted method for constructing O-glycoside bonds. Glycosyl trichloroacetimidate is taken as a donor, and phenolic compounds are taken as a photocatalyst; a molecular sieve is added; and the O-glycoside bonds are g

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