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501948-42-1

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501948-42-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 501948-42-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,9,4 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 501948-42:
(8*5)+(7*0)+(6*1)+(5*9)+(4*4)+(3*8)+(2*4)+(1*2)=141
141 % 10 = 1
So 501948-42-1 is a valid CAS Registry Number.

501948-42-1Downstream Products

501948-42-1Relevant articles and documents

Application of DMF-methyl sulfate adduct in the regioselective synthesis of 3-acylated indolizines

Przewloka, Teresa,Chen, Shoujun,Xia, Zhiqiang,Li, Hao,Zhang, Shijie,Chimmanamada, Dinesh,Kostik, Elena,James, David,Koya, Keizo,Sun, Lijun

, p. 5739 - 5742 (2008/02/09)

A number of 3-acylated indolizines were synthesized in good to excellent yields by a newly established reaction between picolinium salts and the methylsulfate salt of A (R = Me), the adduct formed from DMF-Me2SO4 as the key reagent.

Controlling chemoselectivity-application of DMF di-t-butyl acetal in the regioselective synthesis of 3-monosubstituted indolizines

Xia, Zhiqiang,Przewloka, Teresa,Koya, Keizo,Ono, Mitsunori,Chen, Shoujun,Sun, Lijun

, p. 8817 - 8820 (2007/10/03)

Among a number of DMF dialkyl acetals investigated for the regioselective synthesis of 3-acylindolizines, the di-t-butyl acetal, via its iminium intermediate readily formed in situ, provides the highest chemoselectivity for the intermolecular cyclization of picolinium salts. DMF di-t-butyl acetal was applied to the syntheses of a variety of 3-acylated indolizines including alkyl, aryl, and heteroaryl substituents.

1-Glyoxlylamide indolizines for treating cancer

-

, (2008/06/13)

Disclosed is a compound represented by Structural Formula (I): Ring A is substituted or unsubstituted and optionally fused to an aryl group. Z1 and Z2 are independently ═O, ═S, ═N—OR12 or ═NR12 R1 an

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