24. Hamburger MO, Shieh HL, Zhou BN, Pezzuto JM, Cordell GA (1989) Magn Reson Chem
27:1025
25. Akdemir Z, Calis I, Junior P (1991) Planta Med 57:584
26. Ono M, Ito Y, Kubo S, Nohara T (1997) Chem Pharm Bull 45:1094
27. Wurzel G, Becker H, Eicher T, Tiefensee K (1990) Planta Med 56:444
28. Wurzel G, Becker H (1990) Phytochemistry 29:2565
29. Zinsmeister HD, Becker H, Eicher T (1991) Angew Chem Int Ed 30:130
30. Thiel R, Adam KP, Zapp J, Becker H (1997) Pharm Pharmacol Lett 7:103
31. Lakner FJ, Hager LP (1996) J Org Chem 61:3923
32. Takano S, Shimazaki Y, Iwabuchi Y, Ogasawara K (1990) Tetrahedron Lett 31:3619
33. Ikan R, Gottlieb R, Bergmann ED, Ishay J (1969) J Insect Physiol 15:1709
34. Schulz S, Nishida R (1996) Bioorg Med Chem 4:341
35. Crouse GD, Sparks TC (1998) Rev Toxicol 2:133
36. Martin CJ, Timoney MC, Sheridan RM, Kendrew SG, Wilkinson B, Staunton J, Leadlay PF
(2003) Org Biomol Chem 1:4144
37. Pappo R, Jung CJ (1962) Tetrahedron Lett 3:365
38. Chavdarian CG, Heathcock CH (1975) J Org Chem 40:2970
39. Coke JL, Richon AB (1976) J Org Chem 41:3516
40. Khan HA, Paterson I (1982) Tetrahedron Lett 23:5083
41. Yamaguchi M, Shibato K, Hirao I (1984) Tetrahedron Lett 25:1159
42. Gerth DB, Giese B (1986) J Org Chem 51:3726
43. Sakamoto A, Yamamoto Y, Oda J (1987) J Am Chem Soc 109:7188
44. Priestap HA, Bonafede JD, Ru ´veda EA (1977) Phytochemistry 16:1579
45. Carretero JC, Ghosez L (1988) Tetrahedron Lett 29:2059
46. White JD, Jayasinghe LR (1988) Tetrahedron Lett 29:2139
47. Reddy GB, Minami T, Hanamoto T, Hiyama T (1991) J Org Chem 56:5752
48. Shimada S, Tohno I, Hashimoto Y, Saigo K (1993) Chem Lett: 1117
49. Roe JM, Thomas EJ (1995) J Chem Soc Perkin 1: 359
50. Cossy J, Cases M, Pardo DG (1996) Tetrahedron Lett 37:8173
51. Corey EJ, Guzman-Perez A, Lazerwith SE (1997) J Am Chem Soc 119:11769
52. Honda T, Ono S, Mizutani H, Hallinan KO (1997) Tetrahedron Asymmetry 8:181
53. Shimizu M, Ishi K, Fujisawa T (1997) Chem Lett: 765
54. Wilkinson AL, Hanefeld U, Wilkinson B, Leadlay PF, Staunton J (1998) Tetrahedron Lett
39:9827
55. Miyazawa M, Oonuma S, Maruyama K, Miyashita M (1997) Chem Lett: 1191
56. Miyazawa M, Matsuoka E, Sasaki S, Oonuma S, Maruyama K, Miyashita M (1998) Chem
Lett: 109
57. Hiscock SD, Hitchcock PB, Parsons PJ (1998) Tetrahedron 54:11567
58. Tanaka H, Kamikubo T, Yoshida N, Sakagami H, Taniguchi T, Ogasawara K (2001) Org Lett
3:679
59. Smitrovich JH, Boice GN, Qu C, DiMichele L, Nelson TD, Huffman MA, Murry J,
McNamara J, Reider PJ (2002) Org Lett 4:1963
60. Stritzke K, Schulz S, Nishida R (2002) Eur J Org Chem: 3884
61. Zarbin PHG, Oliveira ARM, Simonelli F, Villar JAFP, Delay O Jr (2004) Tetrahedron Lett
45:7399
62. Fleming I, Terrett NK (1998) J Chem Soc Perkin 1: 2645
63. Uyehara T, Shida N, Yamamoto Y (1992) J Org Chem 57:3139
64. Jahn U, Hartmann P, Kaasalainen E (2004) Org Lett 6:257
65. Sibi MP, He L (2004) Org Lett 6:1749
66. Yadav JS, Reddy PMK, Reddy PV (2007) Tetrahedron Lett 48:1037
67. Blay G, Herna ´ndez-Olmos V, Pedro JR (2010) Org Lett 12:3058
68. Cid MB, Duce S, Morales S, Rodrigo E, Garcı ´a Ruano JL (2010) Org Lett 12:3586
69. Bindseil KU, Zeeck A (1993) Helv Chim Acta 76:150
138
K. Palanichamy and K.P. Kaliappan
27:1025
25. Akdemir Z, Calis I, Junior P (1991) Planta Med 57:584
26. Ono M, Ito Y, Kubo S, Nohara T (1997) Chem Pharm Bull 45:1094
27. Wurzel G, Becker H, Eicher T, Tiefensee K (1990) Planta Med 56:444
28. Wurzel G, Becker H (1990) Phytochemistry 29:2565
29. Zinsmeister HD, Becker H, Eicher T (1991) Angew Chem Int Ed 30:130
30. Thiel R, Adam KP, Zapp J, Becker H (1997) Pharm Pharmacol Lett 7:103
31. Lakner FJ, Hager LP (1996) J Org Chem 61:3923
32. Takano S, Shimazaki Y, Iwabuchi Y, Ogasawara K (1990) Tetrahedron Lett 31:3619
33. Ikan R, Gottlieb R, Bergmann ED, Ishay J (1969) J Insect Physiol 15:1709
34. Schulz S, Nishida R (1996) Bioorg Med Chem 4:341
35. Crouse GD, Sparks TC (1998) Rev Toxicol 2:133
36. Martin CJ, Timoney MC, Sheridan RM, Kendrew SG, Wilkinson B, Staunton J, Leadlay PF
(2003) Org Biomol Chem 1:4144
37. Pappo R, Jung CJ (1962) Tetrahedron Lett 3:365
38. Chavdarian CG, Heathcock CH (1975) J Org Chem 40:2970
39. Coke JL, Richon AB (1976) J Org Chem 41:3516
40. Khan HA, Paterson I (1982) Tetrahedron Lett 23:5083
41. Yamaguchi M, Shibato K, Hirao I (1984) Tetrahedron Lett 25:1159
42. Gerth DB, Giese B (1986) J Org Chem 51:3726
43. Sakamoto A, Yamamoto Y, Oda J (1987) J Am Chem Soc 109:7188
44. Priestap HA, Bonafede JD, Ru ´veda EA (1977) Phytochemistry 16:1579
45. Carretero JC, Ghosez L (1988) Tetrahedron Lett 29:2059
46. White JD, Jayasinghe LR (1988) Tetrahedron Lett 29:2139
47. Reddy GB, Minami T, Hanamoto T, Hiyama T (1991) J Org Chem 56:5752
48. Shimada S, Tohno I, Hashimoto Y, Saigo K (1993) Chem Lett: 1117
49. Roe JM, Thomas EJ (1995) J Chem Soc Perkin 1: 359
50. Cossy J, Cases M, Pardo DG (1996) Tetrahedron Lett 37:8173
51. Corey EJ, Guzman-Perez A, Lazerwith SE (1997) J Am Chem Soc 119:11769
52. Honda T, Ono S, Mizutani H, Hallinan KO (1997) Tetrahedron Asymmetry 8:181
53. Shimizu M, Ishi K, Fujisawa T (1997) Chem Lett: 765
54. Wilkinson AL, Hanefeld U, Wilkinson B, Leadlay PF, Staunton J (1998) Tetrahedron Lett
39:9827
55. Miyazawa M, Oonuma S, Maruyama K, Miyashita M (1997) Chem Lett: 1191
56. Miyazawa M, Matsuoka E, Sasaki S, Oonuma S, Maruyama K, Miyashita M (1998) Chem
Lett: 109
57. Hiscock SD, Hitchcock PB, Parsons PJ (1998) Tetrahedron 54:11567
58. Tanaka H, Kamikubo T, Yoshida N, Sakagami H, Taniguchi T, Ogasawara K (2001) Org Lett
3:679
59. Smitrovich JH, Boice GN, Qu C, DiMichele L, Nelson TD, Huffman MA, Murry J,
McNamara J, Reider PJ (2002) Org Lett 4:1963
60. Stritzke K, Schulz S, Nishida R (2002) Eur J Org Chem: 3884
61. Zarbin PHG, Oliveira ARM, Simonelli F, Villar JAFP, Delay O Jr (2004) Tetrahedron Lett
45:7399
62. Fleming I, Terrett NK (1998) J Chem Soc Perkin 1: 2645
63. Uyehara T, Shida N, Yamamoto Y (1992) J Org Chem 57:3139
64. Jahn U, Hartmann P, Kaasalainen E (2004) Org Lett 6:257
65. Sibi MP, He L (2004) Org Lett 6:1749
66. Yadav JS, Reddy PMK, Reddy PV (2007) Tetrahedron Lett 48:1037
67. Blay G, Herna ´ndez-Olmos V, Pedro JR (2010) Org Lett 12:3058
68. Cid MB, Duce S, Morales S, Rodrigo E, Garcı ´a Ruano JL (2010) Org Lett 12:3586
69. Bindseil KU, Zeeck A (1993) Helv Chim Acta 76:150
138
K. Palanichamy and K.P. Kaliappan