94 nm ir kbr u03bd max 2965 2940 2877 1711 1678 cm u2212 1 1 h nmr and 13 c nmr see the following tables 1 and 3 esims m z 447 m na hresims m z 447 3237 calculated for c 29 h 44 o 2 na 447 3239 these data helped to establish the structure of the compound i 8 and the result showed that the structure of the compound i 8 is represented by the following formula i 8 the compound i 9 was isolated as colorless powders and the analysis data thereof are listed as follow mp 192 193 u00b0 c u03b1 d 25 128 c 0 003 meoh ir kbr u03bd max 3336 2956 2873 1716 1024 cm u2212 1 1 h nmr and 13 c nmr see the following tables 1 and 3 esims m z 435 m na hresims m z 435 3242 calculated for c 28 h 44 o 2 na 435 3239 the compound i 10 was isolated as colorless powders and the analysis data thereof are listed as follow mp 100 102 u00b0 c u03b1 d 25 164 c 0 005 meoh uv meoh u03bb max log u03b5 250 4 35 nm ir kbr u03bd max 2953 2873 2856 1738 1709 1669 1460 1453 1375 1077 cm u2212 1 1 h nmr and 13 c nmr see the following tables 1 and 3 esims m z 491 m na hresims m z 491 3135 calculated for c 30 h 44 o 4 na 491 3137 other compounds obtained from embodiment.