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104856-46-4

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104856-46-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104856-46-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,8,5 and 6 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 104856-46:
(8*1)+(7*0)+(6*4)+(5*8)+(4*5)+(3*6)+(2*4)+(1*6)=124
124 % 10 = 4
So 104856-46-4 is a valid CAS Registry Number.

104856-46-4Relevant articles and documents

Nickel-Catalyzed Benzylic Substitution of Benzyl Esters with Malonates as a Soft Carbon Nucleophile

Tsuji, Hiroaki,Hashimoto, Keisuke,Kawatsura, Motoi

supporting information, p. 8837 - 8841 (2019/11/11)

The nickel-catalyzed benzylic substitution of benzyl alcohol derivatives with a soft carbon nucleophile is extremely rare compared to that with a hard carbon nucleophile. We have achieved the nickel-catalyzed benzylic substitution of benzyl esters with malonates as a soft carbon nucleophile. Primary and secondary benzyl 2,3,4,5,6-pentafluorobenzoates as well as a wide variety of malonate derivatives were well tolerated in the nickel-catalyzed reaction, providing the corresponding alkylation products in 46-86% yields (34 examples). Additionally, we propose a possible reaction mechanism that would undergo via the ??1- A nd ??3-benzylnickel intermediates.

Esterification of the Primary Benzylic C-H Bonds with Carboxylic Acids Catalyzed by Ionic Iron(III) Complexes Containing an Imidazolinium Cation

Lu, Bing,Zhu, Fan,Sun, Hong-Mei,Shen, Qi

supporting information, p. 1132 - 1135 (2017/03/14)

The first iron-catalyzed esterification of the primary benzylic C-H bonds with carboxylic acids using di-tert-butyl peroxide as an oxidant is achieved by novel ionic iron(III) complexes containing an imidazolinium cation. The use of well-defined, air-stable, and available iron(III) complex in a 5 mol % loading and readily available starting materials with a broad generality and outstanding sterically hindered tolerance renders this methodology a useful alternative to other protocols that are typically employed for the synthesis of benzyl esters.

Fluorous biphasic esterification directed towards ultimate atom efficiency

Xiang, Jiannan,Orita, Akihiro,Otera, Junzo

, p. 4117 - 4119 (2007/10/03)

Aperfectly selective esterification that discriminates between primary and sterically hindered or aromatic carboxylic acids occurs in the presence of the fluoroalkyldistannoxane [{Cl(C6F13CH2 CH2)2SnOSn(CH2CH2 -C6F13)2Cl}2] (1). The reaction gives 100% yield with a strict 1:1 ratio of the carboxylic acid and alcohol reactants, and the catalyst can be recycled without any loss of activity.

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