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1025-23-6

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1025-23-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1025-23-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,2 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1025-23:
(6*1)+(5*0)+(4*2)+(3*5)+(2*2)+(1*3)=36
36 % 10 = 6
So 1025-23-6 is a valid CAS Registry Number.

1025-23-6Relevant articles and documents

Intermolecular Photocatalyzed Heck-like Coupling of Unactivated Alkyl Bromides by a Dinuclear Gold Complex

Xie, Jin,Li, Jian,Weingand, Vanessa,Rudolph, Matthias,Hashmi, A. Stephen K.

, p. 12646 - 12650 (2016)

A practical protocol for a photocatalyzed alkyl-Heck-like reaction of unactivated alkyl bromides and different alkenes promoted by dinuclear gold photoredox catalysis in the presence of an inorganic base is reported. Primary, secondary, and tertiary unactivated alkyl bromides with β-hydrogen can be applied. Esters, aldehydes, ketones, nitriles, alcohols, heterocycles, alkynes, alkenes, ethers, and halogen moieties are all well tolerated. In addition to 1,1-diarylalkenes, silylenolethers and enamides can also be applied, which further increases the synthetic potential of the reaction. The mild reaction conditions, broad substrate scope, and an excellent functional-group tolerance deliver an ideal tool for synthetic chemists that can even be used for challenging late-stage modifications of complex natural products.

Nickel-catalyzed ring-opening cross-coupling of cyclic alkenyl ethers with arylboronic esters via carbon-oxygen bond cleavage

Ohtsuki, Akimichi,Sakurai, Shun,Tobisu, Mamoru,Chatani, Naoto

supporting information, p. 1277 - 1279 (2016/11/09)

We have developed a nickel-catalyzed cross-coupling reaction of cyclic alkenyl ethers with arylboronic esters that leads to the formation of unsaturated alcohols via ring-opening by the cleavage of a C(sp2)-O bond. The use of 1,3-dicyclohexylimidazol-2-ylidene as the ligand is essential to promote this cross-coupling process.

Intramolecular polar addition reactions of active methylene moieties to aryl-substituted alkenes via photoinduced electron transfer

Ohashi, Maki,Nakatani, Keisuke,Maeda, Hajime,Mizuno, Kazuhiko

scheme or table, p. 5537 - 5539 (2010/11/03)

The synthesis of cycloalkane derivatives with ring sizes of 5-7 was achieved in moderate yields by photoirradiation of aqueous acetonitrile solutions, containing compounds that consist of active methylene moieties tethered to aryl-substituted alkenes along with sodium hydroxide and 9-cyanophenanthrene. When the substrate contains ethyl cyanoacetate as an asymmetric active methylene moiety, the reaction proceeds in a highly diastereoselective manner.

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