3.
    发明专利
    未知

    公开(公告)号:DE1928632A1

    公开(公告)日:1970-12-10

    申请号:DE1928632

    申请日:1969-06-06

    Applicant: BASF AG

    Abstract: 1301037 Isoprene BADISCHE ANILIN- & SODA-FABRIK AG 5 June 1970 [6 June 1969] 27190/70 Heading C5E Isoprene is made by dehydrating 3-methyl-3- buten 1-ol at 200-300‹ C. in the presence of a calcium phosphate catalyst, the 3-methyl-3- buten-1-ol having a purity of at least 85% by wt. of the total oxygen containing starting material. The reaction is preferably carried out in the presence of steam and/or an inert gas.

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