Enantioselective Photoreaction of 4-Isopropyltropolone Methyl Ether in Inclusion Crystals with Optically Active Host Compounds

Organic Letters

Volumn 3, Issue 10, 2001, Pages 1567-1569

  Tanaka, Koichi ^a   Nagahiro, Ryoji ^a   Urbanczyk Lipkowska, Zofia ^b  

^a EHIME UNIVERSITY   (Japan)

^b INSTITUTE OF ORGANIC CHEMISTRY   (Poland)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0042839768     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol015857v     Document Type: Article

References (12)

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3. (b) Joy, A.; Scheffer, J. R.; Ramamurthy, V. Org. Lett. 2000, 2, 119-121.
4. Scheffer, J. R.; Wang, L. J. Phys. Org. Chem. 2000, 13, 531-538.
5. Toda, F.; Tanaka, K. J. Chem. Soc., Chem. Commun. 1986, 1429-1430.
6. Tanaka, K.; Honke, S.; Urbanczyk-Lipkowska, Z.; Toda, F. Eur. J. Org. Chem. 2000, 3171-3176.
7. 3 was obtained as colorless prisms (4.5 g, mp 118-123°C) in 64% yield.
8. 3) δ 7.59 (d, J = 5.7 Hz, 1 H), 6.14 (d, J = 5.7 Hz, 1 H), 3.63 (s, 3 H), 2.59 (s, 1 H), 2.34 (s, 1 H), 1.86-2.00 (m, 1 H), 0.94 (d, J = 7.2 Hz, 3 H), 0.87 (d, J = 7.2 Hz, 3 H).
9. 11 were found from Δρ maps and refined with isotropic temperature factors. Crystallographic data have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication no. CCDC 160041. Copies of the data can be obtained, free of charge, on application to CCDC. 12 Union Road, Cambridge CB2 1EZ, U.K. (fax +44 1223 336033 or e-mail deposit@ccdc.cam.ac.uk).
10. Sheldrick, G. M. Acta Crystallogr. 1990, A46, 467-473.
11. Sheldrick, G. M. SHELXL97, Program for Crystal Structure Refinement; University of Göttingen: Germany, 1997.
12. Steiner, T., Desiraju G. R. Chem. Commun. 1998, 891-892.