香港鹰爪花中倍半萜类化学成分研究(4)
化合物9无色油状物;C15H24O,ESIMS m/z 221 [M+H]+; 1HNMR (CDCl3,400 MHz) δ: 259 (1H,d,J=148 Hz,H9a),239 (1H,dd,J=163,108 Hz,H6a),208 (1H,dd,J=163,58 Hz,H6β),186 (1H,d,J=148 Hz,H9β),179 (3H,s,H12),175 (1H,m,H10),165 (3H,s,H13),159 (2H,m,H1),139 (1H,m,H4),138 (2H,m,H2),116 (2H,m,H3),086 (3H,s,H15),075 (3H,d,J=68 Hz,H14); 13CNMR(CDCl3,100 MHz) δ: 2058 (C8) ......
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