- 作者: 吳吉輝 ; 鄭玲玉 ; 文昱生 等
- 作者服務機構: 中原大學化學系
- 中文摘要: Bicyclic azulene compounds, ethyl 4-(cyanoethoxycarbonylmethyl)-2-methylazulene-1-carboxylate(2) and ethyl 4-(cyanoethoxycarbonylmethyl)azulene-1- carboxylate (3) were prepared from ethyl 4-chloro-2- methylazulene-1-carboxylate (7) and ethyl 4- ethoxyazulene-1- carboxylate (8), respectively. Oxidation of 2 with DDQ gave the title compound, 5-cyano-4-ethoxy-1-ethoxycarbonyl-2- methylazuleno [ 1,8-b,c ] pyran (1) and a minor compound, ethyl 4-cyanomethyl-2-methylazulene-1-carboxylate (9). Oxidation of 3 by DDQ produced only ethyl 4- cyanomethylazulene-1-carboxylate (10). Reaction of 1 with 100% H/sub 3/PO/sub 4/ at room temperature and 100.degree.C gave 5-cyano-4-ethoxy-2-methylazuleno [ 1,8-b,c ] pyran (11) and 2-methyl-4,5- dihydrozuleno [ 1,8-b,c ] pyran-4-one (12), respectively. All the new compounds were characterized by IR, UV-vis, NMR and Mass spectra, and the structure of 1 was determined by X-ray crystallography. Crystal data for 1; space group P2/sub 1//n, a=7. 391(1), b=9.660(5), c=22.859(1).ANG., B=97.01(1).degree., V=1620.0(3).ANG./sup 3/, Z=4, with final residuals R=0.047 and Rw=0.055.
- 英文摘要: --
- 中文關鍵字: Ethyl Cyanoethoxycarbonylmethyl Methylazulene Carboxylate; Cyano Ethoxy Ethoxy Carbonyl Methylazuleno Pyran; Ethyl Cyanomethy
- 英文關鍵字: 乙基氰乙氧羰基甲基甲基薁羧酸鹽;氰乙氧乙氧羰基甲基薁錫烯自由基;乙基乙氧甲基薁羧酸鹽;氰乙氧甲基薁錫烯自由基;甲基二氫薁錫烯酮