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74808-17-6

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74808-17-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74808-17-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,0 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74808-17:
(7*7)+(6*4)+(5*8)+(4*0)+(3*8)+(2*1)+(1*7)=146
146 % 10 = 6
So 74808-17-6 is a valid CAS Registry Number.

74808-17-6Relevant articles and documents

Phenyliodine bis(trifluoroacetate) (PIFA) as an excellent promoter of 2-deoxy-2-phthalimido-1-thioglycosides in the presence of triflic acid in glycosylation reactions

Kajimoto, Tetsuya,Morimoto, Koji,Ogawa, Ryosuke,Dohi, Toshifumi,Kita, Yasuyuki

, p. 2138 - 2142 (2015)

A combination of phenyliodine bis(trifluoroacetate) (PIFA) and trifluoromethanesulfonic acid was found to be an effective activator for the glycosylation reaction, of which the glycosyl donor was p-(octyloxy)phenyl 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido

MPTGs: Thioglycoside Donors for Acid-Catalyzed O-Glycosylation and Latent-Active Synthetic Strategies

Du, Shaofu,Ragains, Justin R.

supporting information, p. 980 - 983 (2019/02/05)

4-(p-Methoxyphenyl)-4-pentenylthioglycosides (MPTGs) undergo acid-catalyzed O-glycosylation with a range of alcohol acceptors in the presence of 10 mol % of triflic acid at room temperature. Particularly encouraging is the reactivity of MPTGs toward unrea

O-acetylphenol ether glycosylation donor and preparation method and application thereof

-

Paragraph 0128-0130, (2017/09/02)

The invention discloses an O-acetylphenol ether glycosylation donor, a preparation method thereof and application of the O-acetylphenol ether glycosylation donor in a glycosylation reaction. The O-acetylphenol ether glycosylation donor is stable, easy to store and widely used in various glycosylation reactions; the leaving group of the donor is the phenolic ether protecting group, and differing from operation of a benzyl ether protecting group, operation of phenolic ether protecting group can be conducted. The glycosylation reaction condition is mild, and all donors sensitive to acids and electrophilic reagents can accept the condition.

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