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1279703-95-5

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1279703-95-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1279703-95-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,9,7,0 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1279703-95:
(9*1)+(8*2)+(7*7)+(6*9)+(5*7)+(4*0)+(3*3)+(2*9)+(1*5)=195
195 % 10 = 5
So 1279703-95-5 is a valid CAS Registry Number.

1279703-95-5Downstream Products

1279703-95-5Relevant articles and documents

Organocatalytic synthesis of spiro compounds via a cascade Michael-Michael-aldol reaction

Companyo, Xavier,Zea, Alex,Alba, Andrea-Nekane R.,Mazzanti, Andrea,Moyano, Albert,Rios, Ramon

, p. 6953 - 6955 (2010)

The synthesis of spiro compounds via a Michael-Michael-aldol reaction is reported. The reaction affords spirooxindole derivatives in good yields and in almost diastereo- and enantiopure form. Moreover, the reaction works with several heterocycles such as oxindoles, benzofuranones, pyrazolones or azlactones rendering the final spiro compounds in good yields and excellent stereoselectivities.

Highly stereoselective synthesis of spiropyrazolones

Alba, Andrea-Nekane R.,Zea, Alex,Valero, Guillem,Calbet, Teresa,Font-Bardia, Merce,Mazzanti, Andrea,Moyano, Albert,Rios, Ramon

experimental part, p. 1318 - 1325 (2011/04/17)

The synthesis of spiro compounds through a Michael-Michael-aldol reaction is reported. The reaction affords spiropyrazolone derivatives in good yields, in almost diastereo- and enantiopure form, and is catalyzed by diphenylprolinol derivatives. The reacti

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