Lactones as new oxygenate fuel additives, fuels based thereon and methods for using same
申请人:Robinson Michael J.
公开号:US20060096158A1
公开(公告)日:2006-05-11
A new oxygenated fuel additive is disclosed, where the additive is a cyclic ester or lactone. A fuel including the new oxygenated fuel additive is disclosed, where the additive is a cyclic ester or lactone. A method is also disclosed for increasing the efficiency of engines and other combustion devices which burn fuels including the the new oxygenated fuel additive is disclosed, where the additive is a cyclic ester or lactone.
[EN] LACTONES AS NEW OXYGENATE FUEL ADDITIVES, FUELS BASED THEREON AND METHODS FOR USING SAME<br/>[FR] LACTONES EN TANT QUE NOUVEAUX ADDITIFS DE CARBURANT OXYGÉNÉS, CARBURANTS BASÉS SUR LESDITES LACTONES ET MÉTHODES D'EMPLOI DESDITS CARBURANTS
申请人:STEM THE BOARD OF REGENTS OF T
公开号:WO2006052985A1
公开(公告)日:2006-05-18
[EN] A new oxygenated fuel additive is disclosed, where the additive is a cyclic ester or lactone. A fuel including the new oxygenated fuel additive is disclosed, where the additive is a cyclic ester or lactone. A method is also disclosed for increasing the efficiency of engines and other combustion devices which burn fuels including the new oxygenated fuel additive is disclosed, where the additive is a cyclic ester or lactone. [FR] La présente invention décrit un nouvel additif pour carburant oxygéné, qui est un ester cyclique ou une lactone. La présente invention décrit également un carburant incluant ledit nouvel additif pour carburant oxygéné. La présente invention décrit en outre une méthode permettant d'augmenter l'efficacité de moteurs ou d'autres dispositifs de combustion brûlant un carburant qui inclut ledit nouvel additif pour carburant oxygéné.
Asymmetric oxidation of 3-alkyl-1,2-cyclopentanediones. Part 2: Oxidative ring cleavage of 3-alkyl-1,2-cyclopentanediones: synthesis of 2-alkyl-γ-lactone acids
Ti(OiPr)4/diethyl tartrate/tBuOOH system oxidizes 3-alkyl-1,2-cyclopentanediones resulting in hydroxylated ringcleavage products 2-alkyl-γ-lactone acids, in high enantioselectivity (∼95% ee) and satisfactory isolated yields (up to 55%).
Ti(O i Pr)4 /酒石酸二乙酯/ t BuOOH体系氧化3-烷基-1,2-环戊二酮,生成羟化的环裂解产物2-烷基-γ-内酯酸,对映体选择性高(〜95%ee),令人满意单产(最高55%)。
Maire, Bulletin de la Societe Chimique de France, 1908, vol. <4>3, p. 277,278