[1] Bamberger E.Ber,1894,27:1347[2] Novak M,Bonham G A,Mohler L K,et al.J Org Chem,1988,53:3903[3] Helmick J S,Novak M.J Org Chem,1991,56:2925[4] Konda Y,Onda M,Hirano A,et al.Chem Pharm Bull,1980,28:2987[5] Ayyangar N R,Kalkote U R,Nikrad P V.Tetrahedron Let,1982,23:1099[6] Wright W B,Collins K H.J Am Chem Soc,1956,78:221[7] Salamota T,Hosoda I,Kikugawa Y.J Heterocycle Chem,1988,25:1279[8] McCord T J,Carwford C P,Rabon J A,et al.J Heterocycle Chem,1982,19:401[9] Kikugawa Y,Matsumoto K,Mitsui K,et al.J Chem Soc,Chem Commun,1992:921[10] Gassman P G,Campbell G A.J Chem Soc,Chem Commun,1971:1437[11] McCord T J,Kelly D H,Robon J A,et al.J Heterocycle Chem,1972,9:119[12] Horner L,Steppan H.Liebigs Ann Chem,1957,606:24[13] Gassman P G,Granrud J E.J Am Chem Soc,1984,106:2448[14] Kikugawa Y,Shimada M.J Chem Soc,Chem Commun,1989:1450[15] Kikugawa Y,Mitsui K.Chem Lett,1993:1369[16] Bowden B F,Picker K,Ritchie E,et al.Aust J Chem,1975,28:2681[17] Karuso P,Taylor W C.Aust J Chem,1984,37:1271[18] Kawase M,Miyake Y,Sakamota T,et al.Tetrahedron Let,1989,45:1653[19] Lange R G.J Org Chem,1963,27:2037[20] Node M,Nishide K,Sai M,et al.J Org Chem,1981,46:1991[21] Kawase M,Kitamura T,Shimade M,et al.Synth Commun,1990,20:887[22] Matsumoto K,Miyako K,Sakamoto T,et al.J Chem Res,1995:34 |