Three new anthranilic acid derivatives, N-heneicosanoylanthranilic acid (1b), N-tricosanoylanthranilic acid (1d), N-tetracosanoylanthranilic acid (1e), and two known N-arachidylanthranilic acid (1a) and N-doco...Three new anthranilic acid derivatives, N-heneicosanoylanthranilic acid (1b), N-tricosanoylanthranilic acid (1d), N-tetracosanoylanthranilic acid (1e), and two known N-arachidylanthranilic acid (1a) and N-docosanoylanthranilic acid (1c) were isolated from the aerial parts of lnula japonica Thunb. Their structures were established by spectroscopic and chemical methods.展开更多
Two new sesquiterpenes were isolated from the aerial parts of Inula japonica. Their structures were elucidated as 1-hydroxy-8-acetoxycostic acid methyl ester and 1-hydroxy-8-acetoxyisocostic acid methyl ester by spec...Two new sesquiterpenes were isolated from the aerial parts of Inula japonica. Their structures were elucidated as 1-hydroxy-8-acetoxycostic acid methyl ester and 1-hydroxy-8-acetoxyisocostic acid methyl ester by spectral methods.展开更多
文摘Three new anthranilic acid derivatives, N-heneicosanoylanthranilic acid (1b), N-tricosanoylanthranilic acid (1d), N-tetracosanoylanthranilic acid (1e), and two known N-arachidylanthranilic acid (1a) and N-docosanoylanthranilic acid (1c) were isolated from the aerial parts of lnula japonica Thunb. Their structures were established by spectroscopic and chemical methods.
文摘Two new sesquiterpenes were isolated from the aerial parts of Inula japonica. Their structures were elucidated as 1-hydroxy-8-acetoxycostic acid methyl ester and 1-hydroxy-8-acetoxyisocostic acid methyl ester by spectral methods.