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17912-15-1

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17912-15-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17912-15-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,1 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 17912-15:
(7*1)+(6*7)+(5*9)+(4*1)+(3*2)+(2*1)+(1*5)=111
111 % 10 = 1
So 17912-15-1 is a valid CAS Registry Number.

17912-15-1Downstream Products

17912-15-1Relevant articles and documents

Iron(III)-catalyzed Prins-type cyclization using homopropargylic alcohol: A method for the synthesis of 2-alkyl-4-halo-5,6-dihydro-2H-pyrans

Miranda, Pedro O.,Diaz, David D.,Padron, Juan I.,Bermejo, Jaime,Martin, Victor S.

, p. 1979 - 1982 (2003)

(Matrix presented) A new Prins-type cyclization between homopropargylic alcohol and aldehydes in the presence of FeX3 to obtain 2-alkyl-4-halo-5,6-dihydro2H-pyrans in good yield is described. Osmium-catalyzed cis dihydroxylation provided direct

Gold-catalysed cyclic ether formation from diols

Jiang, Xiaolu,London, Emma K.,Morris, David J.,Clarkson, Guy J.,Wills, Martin

experimental part, p. 9828 - 9834 (2011/02/23)

Gold(I) and (III) salts have been found to be highly effective at the catalysis of ether formation from alcohols. Intramolecular ether formation of a 1,5-diol was also achieved, with a stereoselectivity that indicates that an SN1 mechanism predominates. In an attempt to form a seven-membered ring, a stable 14-membered dimer product was also formed. Attempts to control the diastereoselectivity of the reaction using a chiral anionic counterion did not give products with a high de.

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