1. Whitesell, J. K.; Deyo, D.; Bhattacharya, A. J. Chem. Soc., Chem. Commun. 1983, 802; Cavallo A.-S.; Suffert, J. Tetrahedron Lett. 1985, 26, 429; Akiyama, T.; Nishimoto, H.; Ozaki, S. Tetrahedron Lett. 1991, 32, 1335; Xian, Y. B.; Snow, K.; Belly, M. J. Org. Chem. 1993, 58, 993; Pansare, S. V.; Ravi, R. G.; Jain, R. P. J. Org. Chem. 1998, 63, 4120–4124; Ghosh, A. K.; Chen, Y. Tetrahedron Lett. 1995, 38, 6811; Kiegiel, J.; Papis, A.; Jurczak, J. Tetrahedron: Asymmetry 1999, 10, 535; Chu, Y.-Y.; Yu, C.-S.; Chen, C.-J.; Yang, K.-S.; Lain, J.-C.; Lin, C.-H.; Chen, K. J. Org. Chem. 1999, 64, 6993; Senanayake, C. H.; Fang, K.; Grover, P.; Bakale, R. P.; Vandenbossche, C. P.; Wald, S. A. Tetrahedron Lett. 1999, 40, 819.
2. Maitra, U.; Mathivanan, P. Tetrahedron: Asymmetry 1994, 5, 1171; Maitra, U.; Mathivanan, P. J. Chem. Soc., Chem. Commun. 1993, 1469; Mathivanan, P.; Maitra, U. J. Org. Chem. 1995, 60, 364.
3. Maitra, U.; Bag, B. G. J. Org. Chem. 1992, 57, 6979; Maitra, U.; Bag, B. G.; Rao, P.; Powel, D. J. Chem. Soc., Perkin Trans 1 1995, 1249; Maitra, U.; Bandyopadhyaya, A. K. Tetrahedron Lett. 1995, 36, 3749.
4. Synthesis of Novel Receptors From 7-Deoxycholic Acid and Studies on Their Cation Binding Properties
5. Brown, J. M.; Murrer, B. A. J. Chem. Soc., Perkin Trans. 2 1982, 489.