36 and 40 29 chi 2 35 99 c h 2 cooh 29 41 29 38 29 31 29 22 29 19 29 12 28 89 25 65 22 27 ch 2 13 07 ch 3 synthesis of hoc noda 1 14 g 1 49 mmol compound 4 0 48 ml 1 49 mmol oleic acid 0 62 ml 4 47 mmol triethylamine together with 0 46 g 2 24 mmol 1 3 dicyclohexylcarbodiimide and 0 20 g 1 79 mmol n hydroxysuccinimide used as reactive agents are dissolved in 100 ml chloroform and heat the solution at 50 u00b0 c overnight reaction time is 24 hours concentrate the solution by vacuum evaporation dissolve residue by 100 ml acetone and remove insoluble substances after vacuum filtration then the filtrate is concentrated by vacuum evaporation use liquid chromatography sio 2 chcl 3 ch 3 oh 95 5 for isolation and purification to get the product hoc noda 1 15 g 75 ir neat 3285 nh 1640 co cm u2212 1 1 h nmr cdcl 3 7 40 7 16 m 30h ph 6 48 d nhch 6 27 t 1h nhch 2 5 73 q 1h chnh 5 33 q 2h coch 2 4 08 q 1h chnh 3 15 q 2h ch 2 nh 3 02 m 4h ch 2 ch 2 s and ch 2 s 2 36 m 2h ch 2 ch 2 s 2 11 1 88 m 8h coch 2 ch 2 ch 2 ch 2 ch 2 ch 2 ch 2 1 70 1 55 m 6h chch 2 ch 2 ch 2 ch 2 and ch 2 ch 2 ch u2550 ch 1 44.