TL;DRAbstract
The present potential supply of delta-3-carene, a bicyclic terpene, in the by-product turpentine produced by five western Kraft pulp mills, is more than 1,000 gallons per day.Two esters of cyclopropane ring-containing dibasic acids (caronic and homocaronic acids) were recovered from the mixture of oxidation products obtained by the potassium permanganate oxidation of delta-3-carene in acetone.The yield of di-butyl caronate and di-butyl homocaronate, based on 41.4 grams of delta-3-carene, was 27.3& and 18.2%, respectively. The identification of di-butyl caronate and homocaronate was based on gas chromatography and infrared spectroscopy.Delta-3-carene, 4l.4 grams, was oxidized with 260 grams potassium permanganate in 2,000 ml. of acetone at a temperature of 12.5 -14.5 C.The potassium permanganate reacted completely in five hours.Ninety-seven percent of the oxidation products were adsorbed on the surface of the manganese dioxide formed during the reaction.The oxidation products were remov
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The present potential supply of delta-3-carene, a bicyclic terpene, in the by-product turpentine produced by five western Kraft pulp mills, is more than 1,000 gallons per day.Two esters of cyclopropane ring-containing dibasic acids (caronic and homocaronic acids) were recovered from the mixture of oxidation products obtained by the potassium permanganate oxidation of delta-3-carene in acetone.The yield of di-butyl caronate and di-butyl homocaronate, based on 41.4 grams of delta-3-carene, was 27.3& and 18.2%, respectively. The identification of di-butyl caronate and homocaronate was based on gas chromatography and infrared spectroscopy.Delta-3-carene, 4l.4 grams, was oxidized with 260 grams potassium permanganate in 2,000 ml. of acetone at a temperature of 12.5 -14.5 C.The potassium permanganate reacted completely in five hours.Ninety-seven percent of the oxidation products were adsorbed on the surface of the manganese dioxide formed during the reaction.The oxidation products were remov
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