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公开(公告)号：US3793390A
公开(公告)日：1974-02-19
申请号：US3793390D
申请日：1971-01-20
Applicant: SUMITOMO CHEMICAL CO
Inventor： TAKAGI K , MATSUDA T , MURAKAMI M
CPC classification number: C07C2/865 , C07C1/20 , C07C1/213 , C07C1/247 , C07C2/862 , C07C2/864 , C07C2/867 , C07C2527/053 , C07C2527/10 , C07C2527/167 , C07C2531/02 , C07C11/18
Abstract: A METHOD FOR PRODUCING ISOPRENE WHICH COMPRISES REACTING ISOBUTENE AND 4,4-DIMETHYL-1,3-DIOXANE IN A LIQUID PHASE IN THE PRESENCE OF A CATALYST AT A TEMPERATURE FROM 110* TO 180* C. TO GIVE ISOPRENE IN AN EXCELLENT YIELD.
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公开(公告)号：US3856882A
公开(公告)日：1974-12-24
申请号：US28630072
申请日：1972-09-05
Applicant: SUMITOMO CHEMICAL CO
Inventor： TAKAGI K , MURAKAMI M , MANABE K
IPC: C07C1/207 , C07C2/86 , C07D307/06 , C07D309/10 , C07C11/12
CPC classification number: C07D309/10 , C07C1/2072 , C07C2/867 , C07C2527/053 , C07C2527/054 , C07C2527/10 , C07C2527/11 , C07C2527/126 , C07C2527/128 , C07C2527/132 , C07C2527/167 , C07C2531/025 , C07D307/06 , Y10S585/934 , C07C11/12
Abstract: Process for producing 2,5-dimethyl-2,4-hexadiene by reacting isobutylene, tertiary butanol or a mixture thereof with isobutyl aldehyde in liquid phase under pressure at 110*-200*C in the presence of a catalyst, for example, a mineral acid.
Abstract translation: 通过异丁烯，叔丁醇或其混合物与异丁基醛在液相中在110℃-200℃下，在催化剂存在下，例如， 无机酸。
