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482306-32-1

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482306-32-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 482306-32-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,2,3,0 and 6 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 482306-32:
(8*4)+(7*8)+(6*2)+(5*3)+(4*0)+(3*6)+(2*3)+(1*2)=141
141 % 10 = 1
So 482306-32-1 is a valid CAS Registry Number.

482306-32-1Relevant articles and documents

Hexafluoroisopropanol as the Acid Component in the Passerini Reaction: One-Pot Access to β-Amino Alcohols

Saya, Jordy M.,Berabez, Rayan,Broersen, Pim,Schuringa, Imme,Kruithof, Art,Orru, Romano V. A.,Ruijter, Eelco

supporting information, p. 3988 - 3991 (2018/07/15)

A new Passerini-type reaction in which hexafluoroisopropanol functions as the acid component is reported. The reaction tolerates a broad range of isocyanides and aldehydes, and the formed imidates can be reduced toward β-amino alcohols under mild and metal-free conditions. In addition, the imidate products were shown to undergo an unprecedented retro-Passerini-type reaction under microwave conditions, providing valuable mechanistic information about the Passerini reaction and its variations.

4 - (nitro-phenyl) - 3-preparation of morpholinones the advantage cuts down Sha Ban method and using the same method of preparation

-

, (2017/02/02)

The invention relates to the technical field of preparation of rivaroxaban and an intermediate thereof and particularly relates to a preparation method of 4-(nitrobenzophenone)-3-morpholone which is prepared from halogenated nitrobenzene, ethanolamine and chloroacetyl chloride through a one-pot method. The method for preparing rivaroxaban comprises the steps of reducing 4-(nitrobenzophenone)-3-morpholone into 4-(aminophenyl)-3-morpholone; enabling 4-(aminophenyl)-3-morpholone to react with R-epichlorohydrin to obtain a product; enabling the product to react with N, N-carbonyldiimidazole to obtain a product; enabling the product to react with tert-butyl iminodicarboxylate; preparing hydrochloride; enabling hydrochloride to react with 5-penphene-2-carbonyl chloride. The preparation method of 4-(nitrobenzophenone)-3-morpholone is capable of realizing one-pot production and free of purifying intermediate products in the process, so that the operation process is simplified, the time is saved, and the labor cost is reduced; the preparation method of 4-(nitrobenzophenone)-3-morpholone is low in raw material price, high in obtained product yield and easy to realize large-scale industrial production; in addition, the method for preparing rivaroxaban is cheap, nontoxic and harmless in raw material, simple in process and high in product yield.

Copper Catalyzed Assembly of N-Aryloxazolidinones: Synthesis of Linezolid, Tedizolid, and Rivaroxaban

Mahy, William,Leitch, Jamie A.,Frost, Christopher G.

, p. 1305 - 1313 (2016/03/19)

The total synthesis of oxazolidinone-based pharmaceuticals, linezolid, tedizolid and rivaroxaban is reported. They are synthesized using a recently reported copper-catalyzed one-pot cyclization and arylation as the key step to construct the N-aryloxazolidinone core. Active pharmaceutical ingredients (API) were synthesized from a common synthetic pool of a simple protected amino alcohol in 22 %, 61 % and 40 % total synthesis yields, respectively.

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