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120403-26-1

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120403-26-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120403-26-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,4,0 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 120403-26:
(8*1)+(7*2)+(6*0)+(5*4)+(4*0)+(3*3)+(2*2)+(1*6)=61
61 % 10 = 1
So 120403-26-1 is a valid CAS Registry Number.

120403-26-1Relevant articles and documents

Reagent controlled stereoselective synthesis of teichoic acid α-(1,2)-glucans

Berni, Francesca,Enotarpi, Jacopo,Overkleeft, Hermen S.,Van Der Marel, Gijs,Wang, Liming,Codée, Jeroen D. C.

, p. 2038 - 2050 (2020/03/27)

The stereoselective construction of 1,2-cis-glycosidic linkages is key in the assembly of biologically relevant glycans, but remains a synthetic challenge. Reagent-controlled glycosylation methodologies, in which external nucleophiles are employed to modu

Secondary amine salt catalyzed controlled activation of 2-deoxy sugar lactols towards alpha-selective dehydrative glycosylation

Ghosh, Titli,Mukherji, Ananya,Srivastava, Hemant Kumar,Kancharla, Pavan K.

supporting information, p. 2870 - 2875 (2018/05/03)

A new organocatalytic glycosylation method exploiting the lactol functionality has been disclosed. The catalytic generation of glycosyl oxacarbenium ions from lactols under forcible conditions via weakly Br?nsted-acidic, readily available secondary amine salts affects the diastereoselective glycosylation of 2-deoxypyranoses and furanoses. This operationally simple iminium catalyzed activation of 2-deoxy hemi-acetals is a potential alternative to the existing cumbersome methods that need specialized handling. The mechanisms for this unique transformation and kinetic/thermodynamic effects have been discussed based on both experimental evidence and theoretical studies.

Hydrogenolytic cleavage of naphthylmethyl ethers in the presence of sulfides

Adero, Philip O.,Jarois, Dean R.,Crich, David

, p. 11 - 16 (2017/07/04)

With the aid of a series of model thioether or thioglycoside containing polyols protected with combinations of benzyl ethers and 2-naphthylmethyl ethers it is demonstrated that the latter are readily cleaved selectively under hydrogenolytic conditions in the presence of the frequently catalyst-poisoning sulfides. These results suggest the possibility of employing 2-naphthylmethyl ethers in place of benzyl ethers in synthetic schemes when hydrogenolytic deprotection is anticipated in the presence of thioether type functionality.

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