Interesting Contrasts in Electrocyclic Reactions for Thieno[3,2-b]-and -[2,3-b]pyrans with Chromenes

Journal of Organic Chemistry

Volumn 58, Issue 17, 1993, Pages 4629-4633

  Turchi, Ignatius J ^a   Press, Jeffery B ^a   McNally, James J ^a   Bonner, Mary Pat ^a   Sorgi, Kirk L ^a  

^a R W JOHNSON PHARMACEUTICAL RES I   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0141561125     PISSN: 00223263     EISSN: 15206904     Source Type: Journal    
DOI: 10.1021/jo00069a026     Document Type: Article

References (18)

1. This is the 16th paper in our series of studies of thiophene systems. For the previous paper, see: Sanfilippo, P. J.; McNally, J. J.; Press, J. B.; Falotico, R.; Giardino, E.; Katz, L. B. Bio. Org. Med. Chem. Lett. 1993, 3, 1385.
2. For reviews of synthesis of chromenes see: (a) Hepworth, J. D. Pyrans and Fused Pyrans: (iii) Synthesis and Applications. Comprehensive Heterocyclic Chemistry; Katritzky, A. R., Rees, C. W., Eds.; Pergamon Press: New York, 1984; Vol. 3, pp 737–874.
3. Schweizer, E. E.; Meeder-Nycz, D. 2H- and 4H-Benzopyrans. Chromenes, Chromanones and Chromones; Ellis, G. P., Ed.; John Wiley & Sons: New York, 1977; Vol. 31, pp 11–140.
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