Spirocyclization of an N-acyliminium ion with substituted pyridine: Synthesis of tricyclic spirolactams possessing pyridine or pyridone nucleus

Heterocycles

Volumn 74, Issue C, 2007, Pages 205-210

  Abe, Hideki ^a   Takaya, Kei ichi ^b   Watanabe, Kazuhiro ^a   Aoyagi, Sakae ^b   Kibayashi, Chihiro ^c   Katoh, Tadashi ^a  

^a TOHOKU PHARMACEUTICAL UNIVERSITY   (Japan)

^b TOKYO UNIVERSITY OF PHARMACY AND LIFE SCIENCES   (Japan)

^c NIHON PHARMACEUTICAL UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 40749103388     PISSN: 03855414     EISSN: None     Source Type: Journal    
DOI: 10.3987/com-07-s(w)53     Document Type: Article

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20. 3-MeOH, 50:1) to gave 14 (26.9 mg, 31%), 15 (16.9 mg, 20%), 16 (4.5 mg, 5%), and 17 (13.1 mg, 16%), respectively.
21. +) 322.1681, found 322.1681.
22. +) 323.1760, found 323.1771.
23. +) 322.1681, found 322.1693.
24. +) 308.1525, found 308.1514.
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