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147167-38-2

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147167-38-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 147167-38-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,1,6 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 147167-38:
(8*1)+(7*4)+(6*7)+(5*1)+(4*6)+(3*7)+(2*3)+(1*8)=142
142 % 10 = 2
So 147167-38-2 is a valid CAS Registry Number.

147167-38-2Downstream Products

147167-38-2Relevant articles and documents

Cycloadditions, XX, Thermally Induced Intramolecular Reactions of 2-Methyl-2,3-butadienamides

Himbert,Gerhard,Schlindwein, Hans-Juergen

, p. 1785 - 1794 (2007/10/02)

The 2-methyl-2,3-butadienamides 4a-m are directly synthesized by the reaction of the corresponding allenic acid chloride 2 with the secondary amines 3.At heating, 4a-j undergo the intramolecular Diels-Alder reaction, by using their ω-standing double bond and the ?-system of the directly bonded phenyl groups or of the "methylenic" bonded arenes of furans.Thereby the tricycles 6a-g (bearing five-membered lactam moieties) and/or the tricycles 7-9 (bearing six-membered lactam moieties) are formed.The influence of the geminal methyl group on the chemoselectivity and on the velocity of the IMDA reactions is investigated.The N-allyl derivatives of 4 (s. 4l and m) form the bicycles 10 by intramolecular -Cycloaddition. Key words: 2-Methyl-2,3-butadienamides, Intramolecular - and -Cycloadditions

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