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41194-02-9

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41194-02-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41194-02-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,1,9 and 4 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 41194-02:
(7*4)+(6*1)+(5*1)+(4*9)+(3*4)+(2*0)+(1*2)=89
89 % 10 = 9
So 41194-02-9 is a valid CAS Registry Number.

41194-02-9Relevant articles and documents

Cu(OTf)2catalyzed Ugi-type reaction ofN,O-acetals with isocyanides for the synthesis of pyrrolidinyl and piperidinyl 2-carboxamides

Feng, Yi-Man,Lin, Guo-Qiang,Mao, Zhuo-Ya,Nie, Xiao-Di,Si, Chang-Mei,Wei, Bang-Guo

supporting information, p. 9248 - 9251 (2021/09/20)

The Cu(OTf)2catalyzed Ugi-type reactions ofN,O-acetals with isocyanides have been described for the synthesis of pyrrolidinyl and piperidinyl 2-carboxamides. 4-Hydroxy-5-substituted-prolinamides can be obtained in high diastereoselectivities (2

Metal free coupling of heteroaryl N-tosylhydrazones and thiols: Efficient synthesis of sulfides

García-Carrillo, Mario Alfredo,Guzmán, ángel,Díaz, Eduardo

supporting information, p. 1952 - 1956 (2017/04/27)

A metal free coupling of heteroaromatic N-tosylhydrazones with thiols is presented. A convenient synthetic route to synthesize heteroaryl N-tosylhydrazones is also showed. Valuable thioethers with pyrroles, pyridines, thieno[2,3-b]pyridines, imidazo[1,2-a]pyridines, and 6H-thieno[2,3-b]pyrroles derivatives were synthesized in good yields. This coupling reaction can be carried out in a one-pot fashion and scaled up to the gram scale by using heteroaryl aldehydes, without the need to isolate the N-tosylhydrazone.

Zinc-catalyzed selective reduction of cyclic imides with hydrosilanes: Synthesis of ω-hydroxylactams

Ding, Guangni,Lu, Bin,Li, Yuyuan,Wan, Jun,Zhang, Zhaoguo,Xie, Xiaomin

, p. 1013 - 1021 (2015/03/30)

Cyclic imides were selectively reduced to the corresponding ω-hydroxylactams in high yields with (EtO)3SiH (triethoxysilane) or PMHS (polymethylhydrosiloxane) under catalysis of zinc diacetate dehydrate [Zn(OAc)2 2H2O] (10%) and tetramethylethylenediamine (TMEDA) (10%). This catalytic protocol showed good functional group tolerance as well as excellent regioselectivity for unsymmetrical imides bearing coordinating groups adjacent to the carbonyl.

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