enable unique applications. More importantly, organofluorines can be compatible with chemical reactions in general, even under harsh conditions. In this context, a study on the alkylation of phenolate using an organofluorine solvent were performed for the preparation of ortho-alkyl phenols. Herewith, the study on the alkylation of phenolate in an organofluorine solvent as well as itsapplication to the synthesis
摘要 在有机氟化合物的显着特征中,对分子的溶解性通常能够实现独特的应用。更重要的是,即使在恶劣的条件下,有机氟化合物也可以与一般的化学反应相容。在此背景下,使用有机氟溶剂对苯酚进行烷基化以制备邻烷基苯酚进行了研究。在此,将报告苯酚在有机氟溶剂中的烷基化及其在生物活性萜烯化酚类天然产物肉豆蔻酸 A 和 E 合成中的应用。我们的研究表明,有机氟溶剂可以更好地替代传统的非解离溶剂作为有机反应介质,以抑制不需要的和非选择性的副反应,例如苯酚的邻烷基化反应。图形概要
METHIONINASE INHIBITOR AND COMPOSITION AND FOOD OR DRINK CONTAINING THE SAME
申请人:Itoh Satomi
公开号:US20100069477A1
公开(公告)日:2010-03-18
The invention provides a methioninase inhibitor to suppress the production of methyl mercaptan that is a causative substance of a bad smell by inhibiting methioninase originated from bacteria, as well as a composition and a food or drink containing the same, wherein the methioninase inhibitor contains an extract obtained from a plant of the family
Myrsinaceae
, genus
Myrsine
, preferably
Myrsine seguinii
as an active ingredient; and further provides a methioninase inhibitor, as well as a composition and a food or drink containing the same, wherein the methioninase inhibitor contains as an active ingredient one or more selected from the group consisting of myrsinoic acid A, myrsinoic acid B, myrsinoic acid C, myrsinoic acid E and myrsinoic acid F; preferably the myrsinoic acid A, myrsinoic acid B, myrsinoic acid C, myrsinoic acid E and myrsinoic acid F are obtained from a plant of the family
Myrsinaceae
, genus
Myrsine
, preferably
Myrsine seguinii.