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Isopropyl 2,3,4,6-O-tetrabenzoyl-β-D-glucopyranoside is a complex organic compound that serves as a key intermediate in the synthesis of various glycosides and oligosaccharides. It is derived from β-D-glucopyranoside, a monosaccharide, by protecting four of its hydroxyl groups with benzoyl groups. This protection is crucial for preventing unwanted side reactions during subsequent chemical modifications. The compound is widely used in organic synthesis, particularly in the preparation of complex carbohydrates and bioactive molecules, due to its stability and the ease with which the benzoyl groups can be removed under specific conditions to yield the desired product.

6697-90-1

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6697-90-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6697-90-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,9 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6697-90:
(6*6)+(5*6)+(4*9)+(3*7)+(2*9)+(1*0)=141
141 % 10 = 1
So 6697-90-1 is a valid CAS Registry Number.

6697-90-1Downstream Products

6697-90-1Relevant academic research and scientific papers

Direct dehydrative glycosylation catalyzed by diphenylammonium triflate

Hsu, Mei-Yuan,Lam, Sarah,Lin, Mei-Huei,Lin, Su-Ching,Wang, Cheng-Chung,Wu, Chia-Hui

, (2020)

Methods for direct dehydrative glycosylations of carbohydrate hemiacetals catalyzed by diphenylammonium triflate under microwave irradiation are described. Both armed and disarmed glycosyl-C1-hemiacetal donors were efficiently glycosylated in moderate to excellent yields without the need for any drying agents and stoichiometric additives. This method has been successfully applied to a solid-phase glycosylation.

Carbon tetrachloride-free allylic halogenation-mediated glycosylations of allyl glycosides

Das, Anupama,Jayaraman, Narayanaswamy

, p. 9318 - 9325 (2021/11/13)

The allylic bromination of allyl glycosides is conducted using NBS/AIBN reagents in (EtO)2CO and PhCF3 solutions, without using CCl4 as a solvent. The activated mixed halo-allyl glycosides led to glycosylations, mediated by a triflate, in a latent-active

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