èèªãšèšã£ãŠãäžçªåãã«æãã€ãã®ã¯äžæ§èèªã§ãããããè¡æ¶²æ€æ»ã§èª¿ã¹ããã€ã§ãã
ããã®æ£åŒãªååã¯ãããªã¢ã·ã«ã°ãªã»ããŒã«ïŒããªã°ãªã»ãªãïŒã§ãã
ã°ãªã»ãªã³ã«æã3ã€ãã£ãŠããã«èèªé žãã€ããŠããç¶æ ã§ãã
ãããŠããã®èèªé žã«ã¯2çš®é¡ãã£ãŠã飜åèèªé žãšäžé£œåèèªé žã§ãã
èèªé žã¯ãççŽ ïŒCïŒã®ååãéç¶ã«ã€ãªãã£ãååã§ããã®éã®äžç«¯ã«é žã®æ§è³ªã瀺ãã«ã«ããã·ã«åºïŒ-COOHïŒãšåŒã°ããæ§é ãæã£ãŠããã®ãç¹åŸŽã§ãã
ãã®éç¶ã«ã€ãªãã£ãççŽ ååéã®çµåã«äºéçµåãæã€ãã®ããäžé£œåèèªé žã§ãæããªããã®ã飜åèèªé žã§ãã
äžé£œåèèªé žã«ã¯ççŽ éã®äºéçµåã®åšãã®æ§é ã®éãã«ããã·ã¹åãšãã©ã³ã¹åã®2çš®é¡ããããŸãã
ã·ã¹(cis)ãšã¯ãåãåŽã®ããã¡ãåŽã«ããšããæå³ã§æ°ŽçŽ åå(H)ãççŽ (C)ã®äºéçµåãã¯ããã§åãåŽã«ã€ããŠããããšãè¡šããŠããŸãã
ãã©ã³ã¹(trans)ãšã¯ã暪åã£ãŠãããªãã«ããšããæå³ã§æ°ŽçŽ åå(H)ãççŽ (C)ã®äºéçµåãã¯ããã§ããããã®å察åŽã«ã€ããŠããããšãè¡šããŠããŸãã
ãã®ãã©ã³ã¹åäºéçµåãæã€ããããã®çš®é¡ã®èèªé žããã©ã³ã¹èèªé žãšåŒãã§ããŸããããŒã¬ãªã³ãªã©ã«å ¥ã£ãŠããèèªé žã§ãã
倩ç¶ã®äžé£œåèèªé žã®ã»ãšãã©ã¯ãççŽ éã®äºéçµåããã¹ãŠã·ã¹åã§ããçãçŸãªã©ã®åè»åç©ã§ã¯èã®äžã®åŸ®çç©ã®äœçšã§ãã©ã³ã¹èèªé žãäœãããŸãããã®ããèã乳補åã«åŸ®éå«ãŸããŸãã
éåžžã¯ã·ã¹åã§ãïŒã€ã§ããã©ã³ã¹åãå ¥ããšãã©ã³ã¹èèªé žã«ãªããŸãã
äŸãæãããšããªã¬ã€ã³é žã¯ç·ççŽ æ°ãïŒïŒã§ãäºéçµåãïŒã€ã ããªã®ã§ããããã©ã³ã¹åã«ãªããšãšã©ã€ãžã³é žã«ãªããŸãã
ã¢ã©ããã³é žã¯ççŽ æ°ïŒïŒã§ãäºéçµåãïŒã€ããã®ã§ãã©ã³ã¹èèªé žã15çš®é¡ãããŸããã©ã®äºéçµåããã©ã³ã¹åã«ãªããã§æ±ºãŸã£ãŠããã®ã§ãããªã«çš®é¡ãå€ããªããŸãã
ïŒâ¿ïŒïŒãïœïŒäºéçµåã®æ°ãã
â»å³ã¯èŸ²ææ°Žç£çã®ããŒã ããŒãžããæåããŠãããŸãããã