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公开(公告)号：US20160207861A1
公开(公告)日：2016-07-21
申请号：US14915052
申请日：2014-08-21
Applicant: Godavari Biorefineries Limited
Inventor： Ravindra Gadhe
CPC classification number: C07C45/74 , C07C45/82 , C07C49/203
Abstract: The present invention relates to a process for preparing unsaturated ketone by using an ion exchange polymer as a catalyst. The process comprises the steps of mixing an aldehyde with a ketone and passing the mixture of aldehyde and ketone through a fixed bed catalytic reactor comprising the ion exchange polymer at a temperature of at least 60 degree C. at atmospheric pressure for a retention period of 30-50 min. The unsaturated ketone obtained from the reaction is purified by distillation and 99.5% pure unsaturated ketone with a yield of not less than 80% is obtained.
Abstract translation: 本发明涉及使用离子交换聚合物作为催化剂制备不饱和酮的方法。 该方法包括以下步骤：将醛与酮混合并使醛和酮的混合物通过包含离子交换聚合物的固定床催化反应器，在大气压下在至少60℃的温度下保持30分钟 -50分钟 由反应得到的不饱和酮通过蒸馏纯化，得到99.5％纯的不饱和酮，收率不小于80％。
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公开(公告)号：US09670123B2
公开(公告)日：2017-06-06
申请号：US14915052
申请日：2014-08-21
Applicant: Godavari Biorefineries Limited
Inventor： Ravindra Gadhe
CPC classification number: C07C45/74 , C07C45/82 , C07C49/203
Abstract: The present invention relates to a process for preparing unsaturated ketone by using an ion exchange polymer as a catalyst. The process comprises the steps of mixing an aldehyde with a ketone and passing the mixture of aldehyde and ketone through a fixed bed catalytic reactor comprising the ion exchange polymer at a temperature of at least 60 degree C. at atmospheric pressure for a retention period of 30-50 min. The unsaturated ketone obtained from the reaction is purified by distillation and 99.5% pure unsaturated ketone with a yield of not less than 80% is obtained.
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