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129053-50-5

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129053-50-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129053-50-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,0,5 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129053-50:
(8*1)+(7*2)+(6*9)+(5*0)+(4*5)+(3*3)+(2*5)+(1*0)=115
115 % 10 = 5
So 129053-50-5 is a valid CAS Registry Number.

129053-50-5Downstream Products

129053-50-5Relevant articles and documents

Reductive coupling of phthalimides with ketones and aldehydes by low-valent titanium: One-pot synthesis of alkylideneisoindolin-1-ones

Kise, Naoki,Kawano, Yusuke,Sakurai, Toshihiko

, p. 12453 - 12459 (2014/01/17)

The reductive coupling of phthalimides with ketones and aldehydes by Zn-TiCl4 in THF gave two- and four-electron reduced products, 3-hydroxy-3-(1-hydroxyalkyl)isoindolin-1-ones and alkylideneisoindolin-1-ones, selectively by controlling the rea

A stereoselective synthesis of (Z)-3-aryl and alkylmethylidene-1H- isoindolin-1-ones

Lamblin, Marc,Couture, Axel,Deniau, Eric,Grandclaudon, Pierre

, p. 1333 - 1338 (2007/10/03)

A series of Z-configured (hetero)aryl and alkylmethylideneisoindolin-1-ones has been efficiently prepared by treatment of N-methoxycarbonylisoindolin-1- ones with a base and reaction with selected aldehydes. The parent N-acylated isoindolin-1-ones have be

A New Alkaline Rearrangement of the Benzofuran Skeleton. One Step Transformation of 2-(2-Benzofuranyl)benzonitriles Into (Z)-Phenylmethyleneisoindolinones

Guillaumel, J.,Boccara, N.,Demerseman, P.,Royer, R.,Bideau, J. P.,et al.

, p. 605 - 614 (2007/10/02)

The alkaline hydrolysis of 2-(2-benzofuranyl)benzonitriles 2 by potassium hydroxide under reflux in ethanol stops at the corresponding amides 5.Using other solvents (ethylene glycol or methoxyethanol) at higher temperatures, one can obtain either the amides 5, the acids 1 or rearrangement products depending on the experimental conditions.The rearrangement products were identified as (Z)-phenylmethylenedihydroisoindolinones 6 resulting from opening of the furan ring.The structures of the compounds 6 were established by 1H nmr spectroscopy (nOe) and X-ray crystallography.

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