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Volumn , Issue 19, 2008, Pages 2961-2964

N-heterocyclic carbenes of indazole as reagents: Indazol-3-ylidene-mediated syntheses of amidines from thiolactams of pyrrolobenzodiazepines

Author keywords

Bismuth(III) nitrate; Decarboxylation; Mercury(II) chloride; Mesomeric betaine; Thiolactam

Indexed keywords

1,2 DIMETHYINDAZOLIUM 3 CARBOXYLATE; ALKENE DERIVATIVE; AMIDINE; BENZO[E]PYRROLO[1,2 A][1,4]DIAZEPINE; BENZODIAZEPINE DERIVATIVE; CARBENE 1,2 DIMETHYLINDAZOL 3 YLIDENE; CARBENE INDAZOL 3 YLIDENE; CARBENOID; CARBOXYLIC ACID DERIVATIVE; INDAZOL 3 YLIDENE; INDAZOLE DERIVATIVE; THIOAMIDE; UNCLASSIFIED DRUG;

EID: 57649131065     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-0028-1083626     Document Type: Article
Times cited : (9)

References (71)
  • 2
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    • Charette, A. B, Ed, Thieme: Stuttgart
    • (a) Lebel, H. In Science of Synthesis, Vol. 22; Charette, A. B., Ed.; Thieme: Stuttgart, 2005, 141-179.
    • (2005) Science of Synthesis , vol.22 , pp. 141-179
    • Lebel, H.1
  • 3
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    • Trost, B. M, Fleming, I, Eds, Pergamon: Oxford
    • (b) Schaumann, E. In Comprehensive Organic Synthesis, Vol. 6; Trost, B. M.; Fleming, I., Eds.; Pergamon: Oxford, 1991, 419-434.
    • (1991) Comprehensive Organic Synthesis , vol.6 , pp. 419-434
    • Schaumann, E.1
  • 8
    • 57649128043 scopus 로고    scopus 로고
    • Charette, A. B, Ed, Thieme: Stuttgart
    • Ostrowska, K.; Kolasa, A. In Science of Synthesis, Vol. 22; Charette, A. B., Ed.; Thieme: Stuttgart, 2005, 429.
    • (2005) Science of Synthesis , vol.22 , pp. 429
    • Ostrowska, K.1    Kolasa, A.2
  • 44
    • 57649114323 scopus 로고
    • Kyowa Hakko Kogyo Co. Ltd, JP 58180487
    • Kyowa Hakko Kogyo Co. Ltd, JP 58180487, 1983; Chem. Abstr. 1984, 100, 173150.
    • (1983) Chem. Abstr , vol.1984 , Issue.100 , pp. 173150
  • 61
    • 57649114317 scopus 로고    scopus 로고
    • General Procedure for the Synthesis of (S)-11, Butylamino)-2,3-dihydro-1H-benzo[e]pyrrolo[1, 2-a][1,4]-diazepin-5-(11aH)-one (5a) Method A Thiolactam (4, 0.232 g, 1 mmol) was suspended in n-BuNH2 (4 mL) and heated to 60°C. At this temperature HgCl2 (0.272 g, 1 mmol) was added, and the mixture was heated over a period of 1 h at reflux temperature. After cooling, the reaction mixture was filtered through a plug of Celite and washed with CHCl3. The filtrate was washed with aq Na 2S2O3 and dried over Na2SO 4. The solvent and excess amine were distilled off in vacuo. The residue was then chromatographed (SiO2, PE-EtOAc, 1:5, Method B Bi(NO3)3 (0.395 g, 1 mmol) was used. Method C Compound 1 (0.190 g, 1 mmol) was used and heated as described. Then, the re
    • 3O: C, 70.82; H, 7.80; N, 15.49. Found: C,70.58; H, 7.41; N, 14.91.
  • 66
    • 57649115161 scopus 로고    scopus 로고
    • 37
    • 37


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.