Synthesis of 2,2′-Bi-2H-3,3′-diaryl-1,4-benzothiazines from α,α-dibromoacetophenones and o-aminothiophenol

Synthetic Communications

Volumn 37, Issue 12, 2007, Pages 1995-1999

  Prakash, Om ^a   Sharma, Nisha ^a   Pannu, Kamaljeet ^a  

^a KURUKSHETRA UNIVERSITY   (India)

Author keywords

, dibromoacetophenones; 2,2 bi 2H 3,3 diaryl 1,4 benzothiazines; O aminothiophenol

Indexed keywords

ACETOPHENONE DERIVATIVE; BENZOTHIAZINE DERIVATIVE; THIOPHENOL DERIVATIVE;

ARTICLE; SYNTHESIS;

EID: 34250343306     PISSN: 00397911     EISSN: 15322432     Source Type: Journal    
DOI: 10.1080/00397910701356462     Document Type: Article

References (14)

1. (a) Krapcho, J. Offen. Ger., 1,926,129, 1970; File date, May 22, 1969; Chem. Abstr. 1971, 74, 42370d;
2. (b) Krapcho, J. Brit. 1,291,844, 1972; File date, October 7, 1969; Chem. Abstr. 1973, 78, 43495.
3. (a) Krapcho, J. Brit. 1,275,593, 1972; Chem. Abstr. 1972, 77, 88349u; File date, May 20, 1969;
4. (b) Krapcho, J. Offen. Ger. 2,150,661, 1972; Chem. Abstr. 1972, 77, 19657f; File date, October 12, 1970.
5. (a) Krapcho, J.; Turk, C. F. Abstr. Pan., 160th Nat. Meet. Amer. Chem. Soc., MEDI, Chicago, IL, Sep. 14-18, 1970;
6. (b) Millonig, R. C.; Mojnar, R. J.; Goldlust, N. B.; Turkhemeir, A. R.; Krapcho, J. Abstr. Pan., 162nd Nat. Meet. Amer. Chem. Soc., MEDI, Washington, DC, 1971.
7. Krapcho, J. U. S. Pat. 3,471,481, 1969; Chem. Abstr. 1970, 72, 437704m; File date, March 28, 1966.
8. Wilhelm, M.; Schmidt, P. J. Heterocycl. Chem. 1969, 6, 635-8.
9. (a) Boeykens, M.; Kimpe, N. D. Tetrahedron 1994, 50, 2349-60;
10. (b) Ahluwalia, V. K.; Mehta, B.; Rawat, M. Synth. Commun. 1992, 22, 2697-2701;
11. (c) Ahluwalia, V. K.; Mehta, B.; Kumar, R. Synth. Commun. 1989, 19, 619-26;
12. (d) Ahluwalia, V. K.; Arora, K. K.; Kaur, G.; Mehta, B. Synth. Commun. 1987, 17, 333-40.
13. Sica, D.; Santacroce, C.; Prota, G. J. Heterocycl. Chem. 1970, 7, 1143-7.
14. Rao, M. H.; Reddy, A. P. R.; Veeranagaiah, V. Synth. Commun. 1991, 21, 1715-20.