Generation of isothiazole analogues of o-quinodimethane from isothiazolo-3-sulfolenes

Tetrahedron Letters

Volumn 37, Issue 24, 1996, Pages 4189-4190

  Tso, Hsi Hwa ^a   Chandrasekharam, Malapaka ^a  

^a INSTITUTE OF CHEMISTRY   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

DICARBOXYLIC ACID; DRUG ANALOG; ISOTHIAZOLE DERIVATIVE; MALEIMIDE DERIVATIVE; METHANE; SULFONE;

ARTICLE; MASS SPECTROMETRY; NUCLEAR MAGNETIC RESONANCE; SYNTHESIS;

EID: 0030012631     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/0040-4039(96)00792-7     Document Type: Article

References (11)

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2. For recent reviews, see (a) Chou, T. S. Rev. Heteroatom. Chem., 1993, 8, 65;
3. (b) Ando, K.; Takayama, H. Heterocycles 1994, 37, 1417.
4. Chou, T. S.; Chen, H. C.; Tsai, C. Y. J. Org. Chem., 1994, 59, 2241.
5. De, A. Prog. Med. Chem., 1981, 18, 117.
6. Tso, H. H.; Yang, N. C; Chang, Y. M. J. Chem. Soc., Chem. Commun., 1995, 1349.
7. 13C, 7.4, 31.0, 36.1, 56.0, 60.2, 133.6, 133.9, 191.7, 196.4. Treatment of 4b with the hydroxylamine hydrochloride in refluxing ethanol afforded 49% yield of 5b.
8. Dieter, R. K.; Chang, H. J. J. Org. Chem., 1989, 54, 1088.
9. 13C, 11.8, 25.9, 54.9, 55.9, 128.8, 152.0, 167.4.
10. Schulze, B.; Dirsten, G.; Kirrbach, S.; Rahm, A.; Heimgartner, H. Helv. Chim. Acta, 1991, 74, 1059 and references cited therein.
11. Financial support from the National Science Council of the Republic of China and Academia Sinica is acknowledged.