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Volumn 73, Issue 16, 2008, Pages 6363-6368

Novel synthesis of cinnolines and 1-aminoindolines via Cu-catalyzed intramolecular N-arylation of hydrazines and hydrazones prepared from 3-haloaryl-3-hydroxy-2-diazopropanoates

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL EQUATIONS; FACILE ACCESS; HYDRAZONES; N-ARYLATION; NITROGEN HETEROCYCLE; ONE-POT; PHASE-TRANSFER CATALYSIS; UV-SPECTRUM;

EID: 50149122391     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo8010864     Document Type: Article
Times cited : (37)

References (34)
  • 2
    • 0019427127 scopus 로고
    • and references therein
    • (b) Cignarella, G.; Sanna, P. J. Med. Chem. 1981, 24, 1003-1006, and references therein
    • (1981) J. Med. Chem , vol.24 , pp. 1003-1006
    • Cignarella, G.1    Sanna, P.2
  • 10
    • 0000019715 scopus 로고    scopus 로고
    • Haley and co-workers reported thermal cyclization of 2- ethynylphenyltriazenes; see: (e) Kimball., D. B.; Hayes, A. G.; Haley, M. M. Org. Lett. 2000, 2, 3825-3827.
    • Haley and co-workers reported thermal cyclization of 2- ethynylphenyltriazenes; see: (e) Kimball., D. B.; Hayes, A. G.; Haley, M. M. Org. Lett. 2000, 2, 3825-3827.
  • 21
    • 29544439398 scopus 로고    scopus 로고
    • For recent application of indole synthesis from N-arylhydrazone prepared from α-diazoesters, see: (d) Yasui, E.; Wada, M.; Takamura, N. Tetrahedron Lett. 2006, 47, 743-746.
    • For recent application of indole synthesis from N-arylhydrazone prepared from α-diazoesters, see: (d) Yasui, E.; Wada, M.; Takamura, N. Tetrahedron Lett. 2006, 47, 743-746.
  • 22
    • 0347022323 scopus 로고    scopus 로고
    • Arai, S.; Hasegawa, K.; Nishida, A. Tetrahedron Lett. 2004, 45, 1023-1026; 2005, 46, 6171.
    • (a) Arai, S.; Hasegawa, K.; Nishida, A. Tetrahedron Lett. 2004, 45, 1023-1026; 2005, 46, 6171.
  • 29
    • 8844228245 scopus 로고    scopus 로고
    • Sakamoto reported that both E- and Z-isomer hydrazones successfully cyclized to give indazole via intramolecular N-arylation under Pd catalysis; see: Inamoto, K.; Katsuno, M.; Yoshino, T.; Suzuki, I.; Hiroya, K.; Sakamoto, T. Chem. Lett. 2004, 33, 1026-1027. Our result using the Z-isomer is described in Supporting Information.
    • Sakamoto reported that both E- and Z-isomer hydrazones successfully cyclized to give indazole via intramolecular N-arylation under Pd catalysis; see: Inamoto, K.; Katsuno, M.; Yoshino, T.; Suzuki, I.; Hiroya, K.; Sakamoto, T. Chem. Lett. 2004, 33, 1026-1027. Our result using the Z-isomer is described in Supporting Information.
  • 33
    • 50149104545 scopus 로고    scopus 로고
    • The stereochemistry of 17a,b was determined by conversion to tert-butyl 2-(N-benzoylhydrazino)-3-phenyl-3-(tert-butyldimethylsilyloxy)propionate by dehalogenation s-BuLi/THF, 78°C, 1 h, see ref 8b
    • The stereochemistry of 17a,b was determined by conversion to tert-butyl 2-(N-benzoylhydrazino)-3-phenyl-3-(tert-butyldimethylsilyloxy)propionate by dehalogenation (s-BuLi/THF,- 78°C, 1 h); see ref 8b.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.