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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.

(3+2)-Cycloaddition of Donor-Acceptor Cyclopropanes with Thiocyanate: A Facile and Efficient Synthesis of 2-Amino-4,5-dihydrothiophenes

Jacob, Anu,Barkawitz, Philip,Andreev, Ivan A.,Ratmanova, Nina K.,Trushkov, Igor V.,Werz, Daniel B.

supporting information, p. 901 - 904 (2021/03/17)

An easy and efficient route to obtain 2-amino-4,5-dihydrothiophenes is presented. A formal (3+2)-cycloaddition of donor-acceptor cyclopropanes and ammonium thiocyanate catalyzed by Yb(OTf) 3delivers the desired products in good to excellent yields. A broad range of functional groups is tolerated during this process.

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

, 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.

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