TBA ACETATE AS CATALYST
373
Supplementary Material
1
Full experimental detail, H and 13C NMR spectra, and HPLC traces can be
found via the Supplementary Content section of this article’s Web page.
ACKNOWLEDGMENT
The authors are thankful to the authorities of Jawaharlal Nehru Technological
University, Hyderabad (A.P.), for providing laboratory facilities.
REFERENCES
1. DeLima, M. C. A.; Costa, D. L. B.; Goes, A. J. S.; Galdino, S. L.; Pitta, I. R.; Luu-Duc,
C. Synthesis and antimicrobial activity of chlorobenzyl benzylidene imidazolidinedione
derivatives and substituted thiazolidinediones. Pharmazie 1992, 47, 182.
2. Strumvoll, M.; Haring, H. U. Glitazones: Clinical effects and molecular mechanisms. Ann.
Med. 2002, 34, 217.
3. Andreani, A. M.; Rambaldi, A.; Locatelli, Leoni, R.; Bossa, M.; Chiericozzi, I.; Alatulas,
G.; Salvatore, A. Synthesis of lactams with potential cardiotonic activity. Eur. J. Med.
Chem. 1993, 28, 825.
4. El-Feky, S. A. H. Synthesis and anticonvulsant properties of some novel quinazolinone
thiazolidine and 4-thiazolidone derivatives. Pharmazie 1993, 48, 894.
5. Seno, K.; Okuna, N.; Nishi, K.; Murakami, Y.;Watanable, F.; Matsuura, T.; Wada, M.;
Yamada, M.; Ogawa, T.; Okada, T.;Hashi Zume, H.; Kiim Hara, S.; Hagishita, S.
Pyrrolidine inhibitors of human cytosolic phospholipase A(2). J. Med. Chem. 2000, 43, 1041.
6. For some recent reviews, see (a) Benetti, S.; Romagnoli, R.; De Risi, C.; Spalluto, G.;
Zanirato, V. Mastering b-keto esters. Chem. Rev. 1995, 95, 1065; (b) Langer, P. Regio-
and diastereoselective cyclization reactions of free and masked 1,3-dicarbonyl dianions
with 1,2-dielectrophiles. Chem. Eur. J. 2001, 7, 3858; (c)Langer, P. Cyclization reactions
of 1,3-bis-silyl enol ethers and related masked dianions. Synthesis 2002, 441.
7. Riyaz, S. D.; Naidu, A.; Dubey, P. K. L-Proline-catalyzed synthesis of novel 5-(1 h-indol-
3-yl-methylene)-thiazolidine-2,4-dione derivatives as potential antihyperglycemic agents.
Synth. Commun. 2011, 41, 2756.
8. Venkatanarayana, M.; Dubey, P. K. Simple and efficient Knoevenagel synthesis of (E)-2-
((1H-indol-3-yl)methylene)-3-oxoindolylnitrile catalysed by PPh3. J. Chem. Sci. 2011, 123, 609.
9. Dubey, P. K.; Venkatanarayana, M. PEG-600: A facile and eco-friendly reaction medium
for the synthesis of N-alkyl derivatives of indole-3-carboxyaldehyde. Green Chem. Lett.
Rev. 2010, 3, 257.
10. Yavari, I.; Adib, M.; Sayahi, M. H. An efficient diastereoselective one-pot synthesis of
dihydrofuro[20,30:2,3]indeno[2,1-b]furan derivatives. Tetrahedron Lett. 2002, 43, 2927.
11. Yavari, I.; Anary-Abbasinejad, M. A.; Alizadeh, A. A novel approach to the synthesis of
highly functionalized furans. Tetrahedron Lett. 2002, 43, 4503.
12. Yavari, I.; Anary-Abbasinejad, M.; Alizadeh, A.; Hossaini, Z. A simple and efficient
approach to the synthesis of highly functionalized fused benzochromenes. Tetrahedron
2003, 59, 1289.
13. Welton, T. Room-temperature ionic liquids: Solvents for synthesis and catalysis. Chem.
Rev. 1999, 99, 2071.
14. Miao, W. S.; Chan, T. H. Ionic-liquid-supported synthesis: A novel liquid-phase
strategy for organic synthesis. Acc. Chem Res. 2006, 39, 897.
15. Paczal, A.; Kotschy, A. Asymmetric synthesis in ionic liquids. Monatsh Chem. 2007,
138, 1115.