Shirou Tsuchida, Ayumu Tenma, N. Hamaue
Jun 13, 2017
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Journal
Journal of oleo science
Abstract
3-oxohexadecanoyl-CoA was synthesized for the study of D-bifunctional protein (EC 4. 2. 1. 107, EC 4. 2. 1. 119, EC 1. 1. 1. n12) and L-bifunctional protein (EC 4. 2. 1. 17, EC 5. 3. 3. 8, EC 1. 1. 1. 35). First, tetradecanal was subjected to the Reformatsky reaction with ethyl bromoacetate, and the product was then converted into ethyl 3-oxohexadecanoate. After acetalization of the 3-oxo ester with ethylene glycol, 3,3-ethlenedioxyhexadecanoic acid was obtained by alkaline hydrolysis. The acid was condensed with coenzyme A (CoA) by the mixed anhydride method, and the resulting CoA ester was deprotected with 4 M HCl to obtain 3-oxohexadecanoyl-CoA. In addition, the behavior of the CoA ester under several conditions of high-performance liquid chromatography (HPLC) was also investigated. We established separation detection of (R)-3-hydroxyhexadecanoyl-CoA, (S)-3-hydroxyhexadecaboyl-CoA, 3-oxohexadecanoyl-CoA, and trans-2-hexadecenoyl-CoA.