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111425-49-1

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111425-49-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111425-49-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,4,2 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 111425-49:
(8*1)+(7*1)+(6*1)+(5*4)+(4*2)+(3*5)+(2*4)+(1*9)=81
81 % 10 = 1
So 111425-49-1 is a valid CAS Registry Number.

111425-49-1Relevant articles and documents

Azomethine ylide cycloaddition of 2-C-formyl glycals with α-amino acids for the synthesis of substituted pyrroles

Reddy, B. V. Subba,Reddy, V. Veerabadhra

supporting information, (2021/09/03)

A novel strategy has been devised for the synthesis of pyrrole based acyclo-C-nucleosides, in particular an open-chain sugar substituted pyrrole derivatives by means of the condensation of 2-C-formyl glycals with α-amino acids through an intramolecular azomethine cycloaddition under thermal conditions. The use of cyclic α-amino acids provides the corresponding bicyclic pyrrole derivatives. This is a first report on the synthesis of pyrrole based acyclo-C-nucleosides. 2009 Elsevier Ltd. All rights reserved.

Robust perfluorophenylboronic acid-catalyzed stereoselective synthesis of 2,3-unsaturated O-, C-, N- And S-linked glycosides

Tatina, Madhu Babu,Mengxin, Xia,Peilin, Rao,Judeh, Zaher M. A.

supporting information, p. 1275 - 1280 (2019/07/08)

A convenient protocol was developed for the synthesis of 2,3-unsaturated C-, O-, N- and S-linked glycosides (enosides) using 20 mol % perflurophenylboronic acid catalyst via Ferrier rearrangement. Using this protocol, D-glucals and L-rhamnals reacted with various C-, O-, N- and S-nucleophiles to give a wide range of glycosides in up to 98% yields with mainly α-anomeric selectivity. The perflurophenylboronic acid successfully catalyzed a wide range of substrates (both glucals and nucleophiles) under very mild reaction conditions.

Hafnium(IV) triflate as a highly efficient catalyst for Ferrier rearrangement of O- and S-nucleophiles with glycals

Liu, Yonghui,Song, Tianbang,Meng, Weijia,Xu, Yun,Wang, Peng George,Zhao, Wei

supporting information, p. 2758 - 2762 (2016/06/09)

A highly efficient method to afford 2,3-unsaturated glycosides was described. In the presence of Hafnium(IV) triflate, a variety of 2,3-unsaturated-O- and S-glycosides have been obtained by stereoselective glycosylation of 3,4,6-tri-O-acetyl-d-glucal and hexa-O-acetyl-d-lactal with various acceptors in good isolated yields.

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