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89064-74-4

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89064-74-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89064-74-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,0,6 and 4 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89064-74:
(7*8)+(6*9)+(5*0)+(4*6)+(3*4)+(2*7)+(1*4)=164
164 % 10 = 4
So 89064-74-4 is a valid CAS Registry Number.

89064-74-4Relevant articles and documents

Synthesis of β-C-Glycopyranosyl Aldehydes and 2,6-Anhydro-heptitols

Khatri, Vinod,Kumar, Amit,Singh, Balram,Malhotra, Shashwat,Prasad, Ashok K.

, p. 11169 - 11174 (2015)

A convenient route has been developed for the diastereoselective synthesis of β-C-glycopyranosyl aldehydes from d-glucose, d-mannose, and d-galactose. The key step in the synthesis of C-glycosyl aldehydes is the aryl driven reductive dehydration on 1-phen

TOLL-LIKE RECEPTOR 9 AGONISTS

-

Page/Page column 43, (2009/02/10)

The present invention provides TLR9 agonists comprising, as an active ingredient, a compound represented by formula (I): (wherein a represents 0 or 1; n represents an integer of 0 to 2; m represents an integer of 0 to 5; X1 and X2 each independently represent a hydrogen atom or hydroxy; Y represents an oxygen atom or a sulfur atom; -Q1-represents -O- or the like; -Q2- represents -O- or the like; -Z- represents -O- or the like; R1, R3 and R4 each independently represent hydroxy or the like; R2 and R5 each independently represent a hydrogen atom, hydroxy or the like; and A represents 6-aminopurin-9-yl or the like) or a pharmaceutically acceptable salt thereof, and the like.

Deoxy-nitrosugars. Stereoelectronic Control in the Reductive Denitration of Tertiary Nitro Ethers. A Synthesis of 'C-Glycosides'

Baumberger, Franz,Vasella, Andrea

, p. 2210 - 2222 (2007/10/02)

The separate, radical denitration with Bu3SnH of the pyranose derivatives 3, 4, 9, and 10 gave in good yields exclusively the 'C-glycosides' 5 and 11, respectively (Scheme 1).Similar reduction of the cylohexyl derivatives 15, 16, 19 and 20 gave 4:1 mixtures of 17, 18, 21 and 22, respectively, always with predominant formation of an axial C,H-bond.In the furanose series a divergent behaviour was observed for the D-mannose-derived nitro ethers 25 and 27 and the D-ribose-derived nitro ethers 30 and 31, respectively, in that the former two gave isomerically homogeneous reduction products (26 and 28, respectively; Scheme 3) and the latter a 1:1 mixture of the diastereoisomers 32 and 33 (Scheme 4).The stereochemical results were explained on the basis of the stereoelectronic effect of the ring O-atom, the preferred conformation of the intermediate, pyramidal alkoxyalkyl radicals and steric effects in the trioxabicyclooctane ring system.

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