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93836-22-7

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93836-22-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93836-22-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,8,3 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 93836-22:
(7*9)+(6*3)+(5*8)+(4*3)+(3*6)+(2*2)+(1*2)=157
157 % 10 = 7
So 93836-22-7 is a valid CAS Registry Number.

93836-22-7Relevant articles and documents

Mild cu(Otf)2-mediated C-glycosylation with chelation-assisted picolinate as a leaving group

Tang, Weiping,Ye, Wenjing,Stevens, Christopher M.,Wen, Peng,Simmons, Christopher J.

, p. 16218 - 16225 (2021/01/19)

C-Glycosylation reactions of glycosyl picolinates with allyltrimethylsilane or silyl enol ethers were developed. Picolinate as a chelation-assisted leaving group could be activated by Cu(OTf)2 and avoided the use of harsh Lewis acids. The glycosylations were operated under mild neutral conditions and gave the corresponding C-glycosides in up to 95% yield with moderate to excellent stereoselectivities.

Stereocontrolled photocyclization of 1,2-diketones: Application of a 1,3-acetyl group transfer methodology to carbohydrates

Herrera, Antonio J.,Rondon, Maria,Suarez, Ernesto

, p. 3384 - 3391 (2008/09/21)

(Chemical Equation Presented) Photolysis of 1-glycosyl-2,3-butanodione derivatives using visible light is a mild and selective procedure for the synthesis of chiral 1-hydroxy-1-methyl-5-oxaspiro[3.5]nonan-2-one carbohydrate derivatives. The results strongly suggest that stereocontrol of the cyclization is dependent on conformational and stereoelectronic factors. Further oxidative opening of the 1-hydroxy-1-methyl-2-cyclobutanone moiety affords new C-ketoside derivatives either in C- and O-glycoside series. This tandem two-step process could be considered to be a stereocontrol led 1,3-transference of an acetyl group, and it can be applied either to pyranose and furanose models.

Scandium(III) perchlorate (Sc(ClO4)3). A novel catalyst in the α-C- and N-glycosylation reactions

Hachiya,Kobayashi

, p. 3319 - 3320 (2007/10/02)

In the presence of a catalytic amount of scandium(III) perchlorate (Sc(ClO4)3), 1-O-acetyl-2,3,5-tri-O-benzyl-β-D-ribofuranose reacted with trimethylsilylated nucleophiles to afford the corresponding α-D-ribofuranosides in high yield

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