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75073-97-1

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75073-97-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75073-97-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,0,7 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 75073-97:
(7*7)+(6*5)+(5*0)+(4*7)+(3*3)+(2*9)+(1*7)=141
141 % 10 = 1
So 75073-97-1 is a valid CAS Registry Number.

75073-97-1Relevant articles and documents

An efficient generation of a functionalized tertiary-alkyl radical for copper-catalyzed tertiary-alkylative Mizoroki-Heck type reaction

Nishikata, Takashi,Noda, Yushi,Fujimoto, Ryo,Sakashita, Tomomi

, p. 16372 - 16375 (2013)

α-Halocarbonyl compounds undergo β-hydrogen elimination to give conjugated olefins in the presence of a transition-metal catalyst. However, a copper/triamine catalyst system can induce the alkylative Mizoroki-Heck reaction of styrenes with tertiary-alkyl halides possessing a withdrawing group under very mild conditions. This reaction provides an efficient synthetic methodology for tertiary-alkylated styrenes.

Electricity Driven 1,3-Oxohydroxylation of Donor-Acceptor Cyclopropanes: a Mild and Straightforward Access to β-Hydroxy Ketones

Banerjee, Prabal,Maajid Taily, Irshad,Saha, Debarshi

supporting information, p. 5053 - 5057 (2021/09/30)

An unprecedented external oxidant-free electrochemical protocol for 1, 3-oxohydroxylation of donor-acceptor cyclopropane is disclosed. The strategy encompasses the activation of the labile π-electron cloud of the aryl ring to cleave the strained Csp3?Csp3 bond of cyclopropane to afford the β-hydroxy ketones via insertion of molecular oxygen. More significantly, based on the detailed mechanistic investigations and cyclic voltammetry experiments, a plausible mechanism is proposed.

Synthesis of Substituted β-Styrylmalonates by Sequential Isomerization of 2-Arylcyclopropane-1,1-dicarboxylates and (2-Arylethylidene)malonates

Borisov, Denis D.,Chermashentsev, Grigorii R.,Novikov, Roman A.,Tomilov, Yury V.

supporting information, p. 2253 - 2259 (2021/03/04)

A method has been developed for the synthesis of substituted β-styrylmalonates by conversion of 2-arylcyclopropane-1,1-dicarboxylates (ACDCs) in the presence of gallium trichloride into the corresponding- 1,2-zwitterionic intermediates or (2-arylethyl-idene)malonates, followed by treatment with pyridine at room temperature leading to an isomerization of the emerging double bond. This method allows one to expand these reactions to include ACDCs with acceptor substituents at the aromatic ring.

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