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4094-64-8

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4094-64-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4094-64-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,9 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4094-64:
(6*4)+(5*0)+(4*9)+(3*4)+(2*6)+(1*4)=88
88 % 10 = 8
So 4094-64-8 is a valid CAS Registry Number.

4094-64-8Relevant articles and documents

Copper-Mediated, Heterogeneous, Enantioselective Intramolecular Buchner Reactions of α-Diazoketones Using Continuous Flow Processing

Crowley, Daniel C.,Lynch, Denis,Maguire, Anita R.

, p. 3794 - 3805 (2018/04/14)

Enantioselective intramolecular Buchner reactions of α-diazoketones can be effected using heterogeneous copper-bis(oxazoline) catalysts in batch or using continuous flow processing in up to 83% ee. The catalyst can be reused up to 7 times without loss of activity. For α-diazoketones 3 and 4, the enantioselection achieved in flow with the immobilized catalyst was comparable with the standard homogeneous catalyzed process.

Preparation of α-amino acids by oxidative oxazoline-oxazinone rearrangement-hydrogenation (OOOH). Scope and limitations

Liu, Chaomin,Molinski, Tadeusz F.

supporting information; experimental part, p. 2022 - 2027 (2011/11/29)

The range and scope of the oxidative oxazoline-oxazinone rearrangement-hydrogenation sequence (OOOH)-a short, direct asymmetric synthesis of α-amino acids from carboxylic acids-was explored. The highest yet reported diastereoselectivity for hydrogenation of the oxazinone C=N bond (d.r.=>80:1) is disclosed and rationalized with the aid of ab initio molecular calculations.

Pyrazolopyrimidines as therapeutic agents

-

, (2008/06/13)

The present invention is directed to pyrazolopyrimidine derivatives of formula (I) wherein the substituents are defined herein, which are useful as kinase inhibitors and as such are useful for affecting angiogenesis and diseases and conditions associated with angiogenesis.

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