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54210-48-9

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54210-48-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54210-48-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,2,1 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 54210-48:
(7*5)+(6*4)+(5*2)+(4*1)+(3*0)+(2*4)+(1*8)=89
89 % 10 = 9
So 54210-48-9 is a valid CAS Registry Number.

54210-48-9Downstream Products

54210-48-9Relevant articles and documents

N-Heterocyclic Carbene Catalyzed Ester Synthesis from Organic Halides through Incorporation of Oxygen Atoms from Air

Tan, Hui,Wang, Shen-An,Yan, Zixi,Liu, Jianzhong,Wei, Jialiang,Song, Song,Jiao, Ning

supporting information, p. 2140 - 2144 (2020/12/01)

Oxygenation reactions with molecular oxygen (O2) as the oxygen source provides a green and straightforward strategy for the construction of O-containing compounds. Demonstrated here is a novel N-heterocyclic carbene (NHC) catalyzed oxidative transformation of simple and readily available organic halides into valuable esters through the incorporation of O-atoms from O2. Mechanistic studies prove that the deoxy Breslow intermediate generated in situ is oxidized to a Breslow intermediate for further transformation by this oxidative protocol. This method broadens the field of NHC catalysis and promotes oxygenation reactions with O2.

Preparation method for synthesizing ester compound by using N-Boc amide as raw material

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Paragraph 0026; 0027, (2019/03/28)

The invention relates to a preparation method for synthesizing an ester compound by using N-Boc amide as a raw material. According to the method, an inorganic base is used as a catalyst; the N-Boc amide is subjected to an intermolecular nucleophilic substitution reaction with various alcohol compounds; and various ester compounds can be efficiently obtained. The method has the advantages of beingmild in reaction condition, simple and convenient to operate, high in yield and favorable in functional-group compatibility.

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