Two new compounds cadin-2-en-1β-ol-1β-D-glucuronopyranoside (1), guaia-l,7-dien-3β,13-diol-13α-D- glucofuranoside (2) along with three known compounds have been isolated from the culture hairy roots of Cathara...Two new compounds cadin-2-en-1β-ol-1β-D-glucuronopyranoside (1), guaia-l,7-dien-3β,13-diol-13α-D- glucofuranoside (2) along with three known compounds have been isolated from the culture hairy roots of Catharanthus roseus. Their structures have been elucidated with the help of 500 MHz NMR using 1D and 2D spectral methods: viz: ^1H and ^13C NMR, ^1H-^1H COSY, ^1H-^13C HETCOR and DEPT aided by ELMS, FAB-MS, HR-FABMS and IR spectroscopy.展开更多
Six new aliphatic alcohol and ester compounds of n-octacos-9-enyl propionate (1), 4-(3-formylheptyl)cyclohexyl 4-(cyclohexylcarbonyloxymethyl)cyclohexyl-carboxylate (2), n-hentriacont-25-en-5α-ol (3), n-hex...Six new aliphatic alcohol and ester compounds of n-octacos-9-enyl propionate (1), 4-(3-formylheptyl)cyclohexyl 4-(cyclohexylcarbonyloxymethyl)cyclohexyl-carboxylate (2), n-hentriacont-25-en-5α-ol (3), n-hexetriacont-9,26-dien-8α,11β,23α-triol (4), n-tetracontan-15α-ol (5) and n-tritetracontan-5α-ol (6) were isolated from the hulls of Oryza sativa. The structures were established on the basis of spectroscopic analysis.展开更多
文摘Two new compounds cadin-2-en-1β-ol-1β-D-glucuronopyranoside (1), guaia-l,7-dien-3β,13-diol-13α-D- glucofuranoside (2) along with three known compounds have been isolated from the culture hairy roots of Catharanthus roseus. Their structures have been elucidated with the help of 500 MHz NMR using 1D and 2D spectral methods: viz: ^1H and ^13C NMR, ^1H-^1H COSY, ^1H-^13C HETCOR and DEPT aided by ELMS, FAB-MS, HR-FABMS and IR spectroscopy.
文摘Six new aliphatic alcohol and ester compounds of n-octacos-9-enyl propionate (1), 4-(3-formylheptyl)cyclohexyl 4-(cyclohexylcarbonyloxymethyl)cyclohexyl-carboxylate (2), n-hentriacont-25-en-5α-ol (3), n-hexetriacont-9,26-dien-8α,11β,23α-triol (4), n-tetracontan-15α-ol (5) and n-tritetracontan-5α-ol (6) were isolated from the hulls of Oryza sativa. The structures were established on the basis of spectroscopic analysis.