Studies in sulfur heterocycles. Part 16:1,2 synthesis of [1]benzothieno[3,2-b]pyrans via tandem reactions from 2,3-dihydrobenzo[b]thiophene-3(2H)ones

Synlett

Volumn , Issue 10, 2003, Pages 1479-1481

  Kamila, Sukanta ^a   Mukherjee, Chandrani ^a   De, Asish ^a  

^a DEPARTMENT OF MATERIALS SCIENCE   (India)

Author keywords

Benzothiopyran; Electrocyclic ring closure; Sigmatropic shift; Thioaurones

Indexed keywords

CROTONALDEHYDE; HETEROCYCLIC COMPOUND; PYRAN DERIVATIVE; SULFUR;

ARTICLE; CHEMICAL REACTION; CYCLIZATION; HEATING; RING CLOSING METATHESIS; SYNTHESIS;

EID: 0042069847     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2003-40825     Document Type: Article

References (13)

1. Part 15, see: Ghosh, S. C.; De, A. J. Chem. Soc., Perkin Trans. J 1999, 2639.
2. Abstracted in part from the PhD thesis of S. K submitted to Jadavpur University (2003).
3. Mukherjee, C.; De, A. Synlett 2002, 325.
4. Mukherjee, C.; Kamila, S.; De, A. Tetrahedron 2003 (in press).
5. Cabiddu, M. G.; Cabiddu, S.; Cabiddu, E.; de Montis, S.; Fattuoni, C.; Melis, S.; Usai, M. Synthesis 2002, 875.
6. (a) Perold, G. W.; van Ligen, P. F. A. Chem. Ber. 1959, 92, 253.
7. (b) Guha, S. K.; Chatterjea, J. N.; Mishra, A. K. Chem. Ber. 1961, 94, 3297.
8. (c) Cagniant, P.; Kirsch, G.; Cagniant, D. C. R. Acad. Sci. Ser. C 1972, 74.
9. (d) Hofman, H.; Westernacher, H.; Haberstroh, H. J. Chem. Ber. 1973, 106, 349.
10. (e) Wadsworth, D. H.; Detty, M. R. J. Org. Chem. 1980, 45, 4611.
11. (f) Taylor, A. W.; Dean, D. K. Tetrahedron Lett. 1988, 29, 1845.
12. 2S: C, 73.40; H, 476. Found: C, 73.50; H, 4.80.
13. 2S: C, 67.24; H, 5.17. Found: C, 67.30; H, 5.40.