1. a) Karel W, Jii G, Hynek D, Jioi K, Lenka K, Vera K, Jarmila K (2001) Farmaco 56: 803; b) Zaidi NB, Rao RP, Sharma B (1981) Acta Ciencia Indica Chem 7: 63; c) Thangadurai SA, Kumar BRA, Ravi TK, Rajesh R, Rajasekaran S, Siddiqui AA, Alagarsamy V (2004) Ind J Het Chem 14: 183; d) Aagarsamy V, Giridhar R, Yadav MR, Revathi R, Ruckmani K, De CE (2006) Ind J Pharma Sci 68: 532; e) Sawhney SN, Tower RK, Singh SP, Prakash O, Prakash I (1980) Ind J Chem 19B: 415; f) Martin TA, Wheller AG, Majewski RF, Corrigan JR (1964) J Med Chem 7: 812
2. a) Dienei JB, Dowalo F, Hoeven HV, Bender P, Love B (1973) J Med Chem 16: 633; b) Alagarsamy V, Pathak US (2007) Bio Med Chem 15: 3457; c) Garcia JD, Somanathan R, Rivero IA, Aguirre G, Hellberg LH (2000) Synthetic Comm 30: 2707; d) Alagarsamy V, Venkatesaperumal R, Vijayakumar S, Angayarkanni T, Pounammal P, Senthilganesh S, Kandeeban S (2004) Pharmazie 57: 306; e) Alagarsamy V, Giridhar R, Yadav MR (2006) J Pharm Pharmaco 58: 1249; f) Alagarsamy V, Giridhar R, Yadav MR (2005) Bio Pharm Bull 28: 1531; g) Alagarsamy V, Giridhar R, Yadav MR (2005) Bio Med Chem Lett 15: 3316; h) Alagarsamy V, Yadav MR, Giridhar R (2006) Arzneimittel Forschung 56: 834; i) Alagarsamy V, Giridhar R, Yadav MR (2005) Bio Med Chem Lett 15: 1877
3. a) Chandrasekhar V, Rao AR, Reddy VM (1986) Ind Drugs 3: b) Naithani PK, Palit G, Srivastava VK, Shankar K (1989) Ind J Chem 28B: 745; c) Dempcy RO, Skibo EB (1993) Bio Med Chem Lett 1: 39; d) Jen HM, Jiau HL, Chu KS, Bastow XY, Kenneth B, Hamel NY, Lee E, Hsiung K (2000) J Med Chem 43: 4479; e) Donghi M, Ferrara M, Koch U, Narjes F, Ontoria O, Jesus M, Summa V (2007) PCT Int Appl 56; f) Spencer K, Dennison H, Matthews N, Barnes M, Chana S (2005) PCT Int Appl 55; g) Alagarsamy V, Revathi R, Meena S, Ramaseshu KV, Rajasekaran S, Clercq ED (2004) Ind J Pharm Sci 66: 459; h) Hennequin LF, Boyle FT, Wardleworth JM, Marsham PR, Kimbell R, Juckman AL (1996) J Med Chem 39: 9; i) Marsham PR, Hughes LR, Jackman AL, Hayter AJ, Oldfield J, Wardleworth JM, Bishop JAM, O’Connor BM, Calvertt AH (1991) J Med Chem 34: 1594
4. a) Alagarsamy V, Solomon VR, Dhanabal (2007) Bio Med Chem 15: 235; b) Alagarsamy V, Solomon VR, Meena R, Ramseshu KV (2005) Bio Pharm Bull 28: 1091; c) Alagarsamy V, Murugesan S (2007) Chem Pharm Bull 55: 76; d) Ravishankar CH, Rao AD, Rao AB, Reddy VM, Sattur PB (1984) Curr Sci 53: 1069; e) Alagarsamy V, Shankar D, Murugan M, Siddiqui AA, Rajesh R (2007) Archiv der Pharm 340: 41; f) Alagarsamy V, Murugananthan G, Venkateshperumal R (2003) Bio Pharm Bull 26: 1711; g) Hori M, Lemura R, Hara H, Ozaki A, Sukamoto T, Ohtaka H (1990) Chem Pharm Bull 38: 681; h) Helby E, Aly AG, Wahab A, Hemeda M (2003) Acta Pharmceutica 53: 127
5. a) For reviews see: Mhaske SB, Argade NP (2007) Tetrahedron 62: 1; b) Koepfly JB, Mead JF, Brockman JA (1947) J Am Chem Soc 69: 1837; c) Ablondi F, Gordon S, Morton J, Williams JH (1952) J Org Chem 17: 14; d) Kobayashi S, Ueno M, Suzuki R, Ishitani H (1999) Tetrahedron Lett 40: 2175; e) Jang CS, Fu FY, Wang CY, Huang KC, Lu G, Thou TC (1946) Science 103: 59