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105452-90-2

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105452-90-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105452-90-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,4,5 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 105452-90:
(8*1)+(7*0)+(6*5)+(5*4)+(4*5)+(3*2)+(2*9)+(1*0)=102
102 % 10 = 2
So 105452-90-2 is a valid CAS Registry Number.

105452-90-2Downstream Products

105452-90-2Relevant articles and documents

Chiral 2-imidazoline aniline compound as well as preparation method and application thereof

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Paragraph 0211-0216; 0219-0220, (2021/07/14)

The invention provides a chiral 2-imidazoline aniline compound as well as a preparation method and application thereof. The preparation method comprises the following steps: reacting an o-nitrobenzoic acid compound as shown in a formula (1), oxalyl chloride and N, N-dimethylformamide to obtain an o-nitrobenzoyl chloride compound as shown in a formula (7); adding the hydroxyl amide derivative into a mixed solution of an amino alcohol compound as shown in a formula (2) and triethylamine to obtain a hydroxyl amide derivative as shown in a formula (3); reacting with thionyl chloride to obtain a dichloro compound as shown in a formula (4); then adding triethylamine and primary amine R2NH2 to prepare a nitroimidazoline derivative; and finally, reducing to obtain the chiral 2-imidazoline aniline compound as shown in a formula (6). The chiral 2-imidazoline aniline compound is easy to prepare, the raw materials are cheap and easy to obtain, the preparation method is simple, and the synthesized chiral ligand containing the 2-imidazoline aniline fragment can be used as a catalyst for catalyzing asymmetric hydroboration reaction of cobalt-catalyzed olefin and asymmetric hydroamination reaction of cobalt-catalyzed non-activated terminal olefin.

Iridium-catalyzed intermolecular hydroamination of unactivated aliphatic alkenes with amides and sulfonamides

Sevov, Christo S.,Zhou, Jianrong,Hartwig, John F.

, p. 11960 - 11963 (2012/09/08)

The intermolecular addition of N-H bonds to unactivated alkenes remains a challenging, but desirable, strategy for the synthesis of N-alkylamines. We report the intermolecular amination of unactivated α-olefins and bicycloalkenes with arylamides and sulfonamides to generate synthetically useful protected amine products in high yield. Mechanistic studies on this rare catalytic reaction revealed a resting state that is the product of N-H bond oxidative addition and coordination of the amide. Rapid, reversible dissociation of the amide precedes reaction with the alkene, but an intramolecular, kinetically significant rearrangement of the species occurs before this reaction with alkene.

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