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145102-57-4

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145102-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145102-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,1,0 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 145102-57:
(8*1)+(7*4)+(6*5)+(5*1)+(4*0)+(3*2)+(2*5)+(1*7)=94
94 % 10 = 4
So 145102-57-4 is a valid CAS Registry Number.

145102-57-4Relevant articles and documents

1,4-Addition reactions of bis(iodozincio)methane with α,β-unsaturated ketones

Matsubara, Seijiro,Arioka, Daisuke,Utimoto, Kiitiro

, p. 1253 - 1254 (1999)

A reaction of bis(iodozincio)methane with acyclic enones proceeded in 1,4-addition manner to afford zinc enolate of β-zinciomethylketone. In the case of the 1,4-addition reactions of bis(iodozincio)methane with 2- cyclohexen-1-one, an assistance by copper

Synthesis of medium-sized bicyclic compounds by intramolecular cyclization of cyclic β-keto radicals generated from cyclopropanols using manganese(III) tris(pyridine-2-carboxylate) and its application to total synthesis of 10-isothiocyanatoguaia-6-ene

Iwasawa, Nobuharu,Funahashi, Masahiro,Hayakawa, Satoshi,Ikeno, Taketo,Narasaka, Koichi

, p. 85 - 97 (1999)

Bicyclic cyclopropanols having an olefinic side chain are oxidized-with manganese(III) tris(pyridine-2-carboxylate) to generate cyclic β-keto radicals with ring-expansion. These cyclize intramolecularly, affording bicyclic radical intermediates. The cycli

Synthesis of cyclopropyl silyl ethers and their facile ring opening by photoinduced electron transfer as key step in radical/radical cationic cascade reactions

Waske, Prashant A.,Mattay, Jochen

, p. 10321 - 10330 (2007/10/03)

Various ring-fused cyclopropyl silyl ethers with an benzylic, olefinic or acetylenic side chain have been synthesized. Upon oxidative photoinduced electron transfer (PET) the cyclopropane ring opens and forms a reactive β-keto radical, which undergoes intramolecular cyclization. In some cases we observed only formation of ring opened non-cyclized products. With olefinic side chain 5-exo-trig mode of cyclization rather than 6-endo-trig mode of cyclization takes place whereas in case of acetylenic side chain we observed 6-endo cyclization.

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