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23624-64-8

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23624-64-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23624-64-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,6,2 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 23624-64:
(7*2)+(6*3)+(5*6)+(4*2)+(3*4)+(2*6)+(1*4)=98
98 % 10 = 8
So 23624-64-8 is a valid CAS Registry Number.

23624-64-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name PMDTA

1.2 Other means of identification

Product number -
Other names 1,1,4,7,7-pentaMEthyl

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:23624-64-8 SDS

23624-64-8Relevant articles and documents

Ortho-(1-phenylvinyl)benzoate glycosylation donor, and preparation method and application thereof

-

Paragraph 0193; 0197-0199; 0202-0203, (2020/05/01)

The invention discloses an ortho-(1-phenylvinyl)benzoate glycosylation donor, and a preparation method and an application thereof in a glycosylation reaction. The ortho-(1-phenylvinyl)benzoate glycosylation donor is stable, is easy to prepare and store, and is widely applied to the construction of various oxygen glucosides and nucleoside (nitrogen glucoside) glycosidic bonds. The leaving group ofthe donor is an alkenyl ester, has a high activity, and can be combined with thioglycoside or n-pentenyl ether glucoside through a one-pot glycosylation reaction to synthesize oligosaccharide. The glycosylation reaction conditions are mild, and receptors sensitive to acid and electrophilic reagents can tolerate the glycosylation reaction conditions.

Propargyl 1,2-orthoesters for a catalytic and stereoselective synthesis of pyrimidine nucleosides

Rao, Boddu Venkateswara,Manmode, Sujit,Hotha, Srinivas

, p. 1499 - 1505 (2015/02/19)

Pyrimidine nucleosides are synthesized by using propargyl 1,2-orthoesters and Au(III) salt as a catalyst. Strategically positioned 1,2-orthoesters are found to yield only 1,2-trans nucleosides and enable preparation of 2′-OH containing pyrimidine nucleosides. The glycosyl donor employed in this study is stable and easily accessible. The identified high-yielding protocol is mild, diastereoselective, and catalytic.

An efficient approach to the synthesis of nucleosides: Gold(I)-catalyzed N-glycosylation of pyrimidines and purines with glycosyl ortho-alkynyl benzoates

Zhang, Qingju,Sun, Jiansong,Zhu, Yugen,Zhang, Fuyi,Yu, Biao

supporting information; experimental part, p. 4933 - 4936 (2011/06/24)

Persuaded with gold: The title reaction in the presence of [Ph 3PAuNTf2] (Tf=trifluoromethanesulfonyl) led conveniently to the corresponding nucleosides with excellent regioselectivity (see scheme). Even purine derivatives underwent this transformation owing to the mild conditions, which enabled the use of protecting groups that would not usually be compatible with N-glycosylation conditions. Copyright

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