2-Arylbenzoxazoles from phenolic Schiff's bases by thianthrene cation radical

Tetrahedron Letters

Volumn 37, Issue 49, 1996, Pages 8869-8870

  Park, Koon Ha ^a   Jun, Kun ^a,b   Shin, Seung Rim ^b   Oh, Sea Wha ^b  

^a Chungnam National University   (South Korea)

^b Korea Research Institute of Chemical Technology   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

BENZOXAZOLE DERIVATIVE;

ARTICLE; DRUG SYNTHESIS; REACTION ANALYSIS; TECHNIQUE;

EID: 0030566822     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(96)02070-9     Document Type: Article

References (11)

1. 1. (a) Perry, R. J.; Wilson, B. D.; Miller, R. J. J. Org. Chem. 1992, 57, 2883-2887.
2. (b) Kondo, T.; Yang, S.; Huh, K. -T.; Kobayashi, M.; Kotachi, S.; Watanabe, Y. Chem. Lett. 1991, 1275-1278.
3. (c) E.-Sheikh, M. I.; Marks, A.; Biehl, E. R. J. Org. Chem, 1981, 46, 3256-3259.
4. 2. Srivastava, R. G.; Venkataramani, P. S. Syn. Commun. 1988, 18, 1537-1544.
5. 3. Stephens, F. F.; Bower, J. D. J. Chem. Soc. 1949, 2971-2972.
6. 4. Nakagawa, K.; Onoue, H.; Sugita, J. Chem. Pharm. Bull. 1964, 12, 1135-1138.
7. 5. Speier, G. J. Mol. Catal. 1987, 41, 253-260.
8. 6. Our reactions were completed within 5 min at room temperature. However, each of other oxidants is reported to require higher temperature (usually >100°C) and much longer reaction times (> 1 hr).
9. 7. Shin, S. -R.; Shine, H. J. J. Org. Chem. 1992, 57, 2706-1710.
10. 8. Lacán, M.; Rogić, V.; Tabaković, I.; Galijaš, D.; Solomun, T. Electrochim. Acta 1983, 28, 199-207.
11. 9. Duennenberger, M.; Maeder, E.; Siegrist, A. E.; Liechti, P. Ger. 1,201,953 (CA 1966, 64, 5099).