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247237-41-8

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247237-41-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 247237-41-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,7,2,3 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 247237-41:
(8*2)+(7*4)+(6*7)+(5*2)+(4*3)+(3*7)+(2*4)+(1*1)=138
138 % 10 = 8
So 247237-41-8 is a valid CAS Registry Number.

247237-41-8Relevant articles and documents

Iodine(III) Reagent-Mediated Intramolecular Amination of 2-Alkenylanilines to Prepare Indoles

Zhao, Chun-Yang,Li, Kun,Pang, Yu,Li, Jia-Qing,Liang, Cui,Su, Gui-Fa,Mo, Dong-Liang

, p. 1919 - 1925 (2018)

A variety of 3-substituted and 2,3-disubstituted indoles were synthesized efficiently in good yields through the intramolecular amination of 2-alkenylanilines promoted by readily available iodine(III) reagents in a short reaction time. Mechanistic studies showed that the reaction pathway went through a nitrenium ion and that 3-acetoxy indoline was the key intermediate in the indole formation. The indole product was easily prepared on a gram scale and amination also proceeded smoothly using catalytic 3,5-dimethylphenyl iodine in the presence of mCPBA. Furthermore, the indolo[3,2-a]carbazole scaffold was prepared in good yield in six steps from commercial ortho-iodoaniline. (Figure presented.).

7-Chloro-5-hydroxy-1-[2-methyl-4-(2-methylbenzoylamino)benzoyl]-2,3,4,5- tetrahydro-1H-1-benzazepine (OPC-41061): A potent, orally active nonpeptide arginine vasopressin V2 receptor antagonist

Kondo, Kazumi,Ogawa, Hidenori,Yamashita, Hiroshi,Miyamoto, Hisashi,Tanaka, Michinori,Nakaya, Kenji,Kitano, Kazuyoshi,Yamamura, Yoshitaka,Nakamura, Shigeki,Onogawa, Toshiyuki,Mori, Toyoki,Tominaga, Michiaki

, p. 1743 - 1754 (2007/10/03)

We previously reported a series of benzazepine derivatives as orally active nonpeptide arginine vasopressin (AVP) V2 receptor antagonists. After the lead structure OPC-31260 was structurally evaluated and optimized, the introduction of the 7-Cl moiety on the benzazepine and 2-CH3 on the aminobenzoyl moiety enhanced its oral activity. The new AVP-V2 selective antagonist OPC-41061 was determined to be a potent and orally active agent. Copyright (C) 1999 Elsevier Science Ltd.

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