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1(3H)-Isobenzofuranone, 4-methoxy-3-(4-methoxyphenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

408356-64-9

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408356-64-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 408356-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,8,3,5 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 408356-64:
(8*4)+(7*0)+(6*8)+(5*3)+(4*5)+(3*6)+(2*6)+(1*4)=149
149 % 10 = 9
So 408356-64-9 is a valid CAS Registry Number.

408356-64-9Relevant academic research and scientific papers

Conversion of 3-arylphthalides into anthrones with a methylcarbonyl substituent at the C-10 position

Bieniek, Adam,Bartczak, Monika M.,Epsztajn, Jan

scheme or table, p. 151 - 153 (2009/10/15)

The ortho-lithiation of a benzoic acid anilide followed by condensation with an aryl aldehyde gave a 3-arylphthalide. Reductive alkylation with 1-methoxy-1-trimethylsilyloxyethene gave a substituted aromatic carboxylic acid which was cyclised to an anthro

Application of organolithium and related reagents in synthesis, part 31: Effective conversion of 3-arylphthalides into 2-(1-aryl-3-oxo-4- alkoxycarbonylbutyl) benzoic acids

Bieniek, Adam,Kulikiewicz, Krystyna K.,Bartczak, Monika M.

, p. 3249 - 3259 (2007/10/03)

A convenient three-step protocol preparation of the ortho-alkylated (longchain substituent with terminal methylcarbonyl or acetoacetate moiety) aromatic carboxylic acids 15 or 16 from benzoic acids anilides 10 was developed, which exploited the reductive

Application of organolithium and related reagents in synthesis. Part 25: Novel specific synthesis of the 4-arylisochroman-3-acetic acids via conversion of benzoic acids

Bieniek, Adam,Epsztajn, Jan,Kowalska, Justyna A.,Malinowski, Zbigniew

, p. 9293 - 9295 (2007/10/03)

The transformation of the benzanilides 1 into 4-arylisochroman-3-acetic acids 8 applying the following sequence of reactions is described. At first, the 3-arylphthalides 3 were obtained via metallation [n-BuLi] of benzanilides 1 and subsequent treatment of the generated bis-lithiated anilides 2 with aromatic aldehydes. Next, the 3-arylphthalides 3 were reduced [LiBH4] to phthalanes 5 and then, via reductive metallation [Li/C10H8] and reaction of the generated bis-lithiated species 6 with dimethylformamide, 3-hydroxy-4-arylisochromans 7 were produced. In the final step the isochromans 7 were treated with 1-methoxy-1-trimethylsilyloxyethene in the presence of titanium tetrachloride and furnished 4-arylisochromans-3-acetic acid methyl esters 8 as trans stereoisomers (Ψ-e/e).

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