摘要
藉肯勇氏( Kenyon)合成法，由酜酸酐與四種叔醇（叔戊、己、庚、辛等醇），以三乙胺為溶媒，於溫度100 ±2°C，反應時間8 ~ 9小時下，合成四種鄰苯二甲酸叔烷基一酯。其收率(% by mol)分別為：叔戊基一酯83.2%；叔己基一酯82. 5%；叔庚基一酯88. 5%；叔辛基一酯83.5%。關於以上鄰苯二甲酸叔爐烷一酯之物性，尤其對其融點與所對應之鄰苯二甲酸正烷基一酯之融點，加以比較與討論。
關鍵字
無資料並列摘要
Four tertiary alkyl hydrogen phthalates were synthesized by Kenyon method with 80% (by mol ) up yield from phthalic anhydride and corresponding tertiary alcohols in presence of triethyl amine as solvent. The reacting conditions were at 100±2°C and 8-9 hrs. The followings are the yield of these tertiary alkyl hydrogen phthalates: t-amyl hydrogen phthalate: 83.2% (by mol ) t-hexyl hydrogen phthalate: 82.5% (by mol ) t-heptyl hydrogen phthalate: 88.5% (by mol ) t-octyl hydrogen phthalate: 83.5% (by mol ) Physical properties of the above synthesized compounds were described, and especially their melting point was compared and discussed with respect to the melting point of corresponding normal alkyl hydrogen phthalates.
並列關鍵字
無資料延伸閱讀
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