Photochemistry of 9,10-dihydro-1,3,5,7-tetramethyl-9- methylenecylooctapyrimidine-2,4-dione: Synthesis of novel ring systems through electrocyclic reactions

Heterocycles

Volumn 53, Issue 6, 2000, Pages 1247-1250

  Ohkura, Kazue ^a   Nishijima, Ken Ichi ^a   Sakushima, Akiyo ^a   Seki, Koh Ichi ^a  

^a HEALTH SCIENCES UNIVERSITY OF HOKKAIDO   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

9,10 DIHYDRO 1,3,5,7 TETRAMETHYL 9 METHYLENECYCLOOCTAPYRIMIDINE 2,4 DIONE; PYRIMIDINE DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; CHEMICAL REACTION; JAPAN; MOLECULAR INTERACTION; PHOTOCHEMISTRY; SYNTHESIS;

EID: 0034210242     PISSN: 03855414     EISSN: None     Source Type: Journal    
DOI: 10.3987/com-00-8880     Document Type: Article

References (16)

1. th International Congress of Heterocyclic Chemistry, Vienna, Austria, August 1999.
2. K. Seki, N. Kanazashi, and K. Ohkura, Heterocycles, 1991, 32, 229.
3. K. Ohkura, N. Kanazashi, and K. Seki, Chem. Pharm. Bull., 1993, 41, 239.
4. K. Ohkura, K. Seki, H. Hiramatsu, K. Aoe, and M. Terashima, Heterocycles, 1997, 44, 467.
5. UV-Irradiation was carried out externally with a 500 W high-pressure mercury (h.p.Hg) lamp (Eiko-sha) in a degassed Pyrex tube at room temperature (20 ± 5 °C).
6. Spectroscopic studies on the effects of the added TFA to 6-ClDMU have been reported; see ref. 3 and 4.
7. 2: 258.1368. Found: 258.1369.
8. 2: 258.1368. Found: 258.1357.
9. 2: 258.1368. Found: 258.1368.
10. +, 92), 243 (90), 91 (100).
11. 2: 258.1368. Found: 258.1346.
12. 2: 258.1368. Found: 258.1367.
13. W. G. Dauben, I. Bell, T. W. Hutton, G. F. Law, A. Rheiner Jr., and H. Urscheler, J. Am. Chem. Soc., 1958, 80, 4116.
14. W. G. Dauben and B. Baumann, Tetrahedron Lett., 1961, 565; C. P. Saunderson and D. C. Hodgkin, ibid., 1961, 573.
15. W. G. Dauben and B. Baumann, Tetrahedron Lett., 1961, 565; C. P. Saunderson and D. C. Hodgkin, ibid., 1961, 573.
16. Les Règles,"De Woodward Hoffmann", ed. by N. T. Anh, Ediscience S. A., Paris, 1970. Japanese edition, translated by I. Mita, Tokyo Kagaku Dojin Inc., Tokyo, 1975, Chap. 7.