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1044735-87-6

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1044735-87-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1044735-87-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,4,7,3 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1044735-87:
(9*1)+(8*0)+(7*4)+(6*4)+(5*7)+(4*3)+(3*5)+(2*8)+(1*7)=146
146 % 10 = 6
So 1044735-87-6 is a valid CAS Registry Number.

1044735-87-6Downstream Products

1044735-87-6Relevant articles and documents

Dess-Martin periodinane promoted oxidative coupling of Baylis-Hillman adducts with silyl enol ethers: A novel synthesis of cis-fused dihydropyrans

Yadav,Subba Reddy,Mandal,Basak,Madavi,Kunwar

experimental part, p. 1175 - 1178 (2009/04/04)

Baylis-Hillman adducts undergo smooth oxidative Mukaiyama-Michael addition and a subsequent cyclization with silyl enol ethers in the presence of Dess-Martin periodinane (DMP) and pyridine under mild reaction conditions to afford a new class of dihydropyran derivatives in good yields with high diastereoselectivity. This is the first report on the preparation of cis-fused dihydropyrans from Baylis-Hillman adducts and silyl enol ethers. Georg Thieme Verlag Stuttgart.

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