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172215-51-9

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172215-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172215-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,2,1 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 172215-51:
(8*1)+(7*7)+(6*2)+(5*2)+(4*1)+(3*5)+(2*5)+(1*1)=109
109 % 10 = 9
So 172215-51-9 is a valid CAS Registry Number.

172215-51-9Downstream Products

172215-51-9Relevant articles and documents

Chiral (OC)Ru(salen)-catalyzed tandem sulfimidation and [2,3]sigmatropic rearrangement: Asymmetric C-N bond formation

Murakami, Masakazu,Katsuki, Tsutomu

, p. 3947 - 3949 (2002)

Asymmetric C-N bond formation was achieved in a highly enantioselective manner by using (OC)Ru(salen)-catalyzed sulfimidation and the subsequent [2,3]sigmatropic rearrangement: treatment of allyl aryl sulfides with p-toluenesulfonyl azide in the presence of a catalytic amount of (OC)Ru(salen) followed by hydrolysis of the resulting N-allyl-N-arylthio toluenesulfonamides provided N-allyl toluenesulfonamides of high enantiomeric excess.

Allylic amine formation by imination of allylic tellurides

Nishibayashi, Yoshiaki

, p. 6725 - 6728 (2007/10/02)

The imination of allylic phenyl tellurides with [N-(p-toluenesulfonyl)imino]phenyliodinane or chloramine-T affords the corresponding allylic amines via [2,3]sigmatropic rearrangement of the tellurimide intermediates in high yields. Application to chiral cinnamyl 2-(1-dimethylaminoethyl)ferrocenyl telluride results in the formation of the corresponding chiral allylic amine, 3-phenyl-3-tosylaminopropene, with 93% ee.

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