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41366-87-4

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41366-87-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41366-87-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,3,6 and 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 41366-87:
(7*4)+(6*1)+(5*3)+(4*6)+(3*6)+(2*8)+(1*7)=114
114 % 10 = 4
So 41366-87-4 is a valid CAS Registry Number.

41366-87-4Relevant articles and documents

Polysubstituted ethylene compound as well as preparation method and application thereof

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Paragraph 0125-0129; 0230-0234, (2020/12/30)

The invention discloses a polysubstituted ethylene compound as well as a preparation method and application thereof. The invention particularly discloses a preparation method of a polysubstituted ethylene compound as shown in a formula III, which comprises the following step: in an organic solvent, carrying out reaction as shown in the specification on a compound as shown in a formula I and a compound as shown in a formula II in the presence of a palladium catalyst, a phosphine ligand and alkali to obtain the polysubstituted ethylene compound as shown in the formula III. The preparation methodcan be suitable for various types of substrates, and the configuration of double bonds is controllable.

Nickel nanoparticle-catalyzed carboxylation of unsaturated hydrocarbon with CO2 using sulfur-modified Au-supported nickel material

Taniguchi, Takahisa,Saito, Nozomi,Doi, Ryohei,Kimoto, Arato,Hoshiya, Naoyuki,Fujiki, Katsumasa,Shuto, Satoshi,Fujioka, Hiromichi,Arisawa, Mitsuhiro,Sato, Yoshihiro

supporting information, p. 1406 - 1409 (2019/11/05)

A hydrocarboxylation reaction of alkyne or styrene derivatives with CO2 proceeded smoothly by using an air-stable nano-sized nickel catalyst supported on sulfur-modified gold (SANi), giving functionalized acrylic acids and phenylpropionic acids including an anti-inflammatory drug, Flurbiprofen. Notably, SANi could be recycled several times without a significant decrease of the yield.

A facile and convenient synthesis of trisubstituted (E)-α,β-unsaturated esters by tandem acetylation-E1CB reaction

Ozeki, Minoru,Hachino, Ayumi,Shigeta, Takashi,Niki, Aya,Kobayashi, Natsuko,Mizutani, Hideki,Nakamura, Akihiro,Horie, Ayano,Arimitsu, Kenji,Kajimoto, Tetsuya,Hosoi, Shinzo,Iwasaki, Hiroki,Kojima, Naoto,Yamashita, Masayuki,Kawasaki, Ikuo

, p. 71 - 74 (2019/01/17)

A facile and convenient synthesis of trisubstituted (E)-α,β-unsaturated esters was developed by improving our previously established method. The new method circumvented the separation of the intermediates, which have an activating group of the hydroxyl group in β-hydroxy esters, furnishing α,β-unsaturated esters in shorter steps than the previous method: an acetylation of β-hydroxy group and subsequent E1cB reaction proceeded in tandem. In addition, the new method can not only employ a diastereomeric mixture of the substrate for the E1cB reaction, it has a wide substrate scope as well, which would enable the synthesis of various trisubstituted (E)-α,β-unsaturated esters.

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