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13296-87-2

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13296-87-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13296-87-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,2,9 and 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 13296-87:
(7*1)+(6*3)+(5*2)+(4*9)+(3*6)+(2*8)+(1*7)=112
112 % 10 = 2
So 13296-87-2 is a valid CAS Registry Number.

13296-87-2Relevant articles and documents

Highly efficient synthesis of primary amides: Via aldoximes rearrangement in water under air atmosphere catalyzed by an ionic ruthenium pincer complex

Yang, Fa-Liu,Zhu, Xinju,Rao, Dun-Kang,Cao, Xiao-Niu,Li, Ke,Xu, Yan,Hao, Xin-Qi,Song, Mao-Ping

, p. 37093 - 37098 (2016/05/24)

The transformation of aldoximes to primary amides has been evaluated using pincer ruthenium complexes a-c, among which the ionic Ru catalyst a proved to be the most efficient in water under air atmosphere. A variety of (hetero)arene aldoximes proceeded smoothly to afford amides in high yields with good functional group compatibilities. Furthermore, a direct synthetic route of amides from aldehydes, hydroxylamine hydrochloride and sodium carbonate was also described with broad substrates including conjugated and aliphatic aldehydes. This protocol is operationally simple and proceeds with a low catalyst loading (0.5 mol%).

Synthesis of 2,3-dihydrobenzothiazol-1,1-dioxide and 2,3-dihydro-1,4-benzothiazin-3-one nitroderivatives from 2,4-di- and 2,4,6-trinitrobenzamides

Gerasyuto,Zlotin,Semenov

, p. 300 - 304 (2007/10/03)

Synthetic methods for the conversion of readily available 2,4-di- and 2,4,6-trinitrobenzamides to the previously unknown 2,3-dihydrobenzothiazol-1,1-dioxide, 2,3-dihydro- 1,4-benzothiazin-3-one, and 2,3-dihydro-1,4-benzothiazin-3-one-1,1-dioxide nitroderivatives have been developed. The methods involve selective nucleophilic substitution of an ortho-nitrogroup in polynitrobenzamides by benzylthio or methoxycarbonylmethylthio group followed by oxidation of sulfur atom with hydrogen peroxide and transformation of the amido group to the methoxycarbonylamino group by reaction with diacetoxyiodobenzene in methanol under non-basic conditions. Cyclization of the resulting compounds under the action of diacetoxyiodobenzene or sodium methoxide leads to the 2,3-dihydrobenzothiazole and 2,3-dihydro-1,4-benzothiazin-3one derivatives, respectively.

TRICYCLIC SUBSTITUTED HEXAHYDROBENZ [E]ISOINDOLE ALPHA-1 ADRENERGIC ANTAGONISTS

-

, (2008/06/13)

The present invention relates to a compound of the formula STR1 and the pharmaceutically acceptable salts thereof wherein W is a tricyclic heterocyclic ring system; which is an α-1 adrenergic antagonist and is useful in the treatment of BPH; also disclosed are . alpha.-1 antagonist compositions and a method for antagonizing α-1 receptors and treating BPH.

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