Method for preparing a pyripyropene compound

    公开(公告)号:AU2014206958A1

    公开(公告)日:2015-08-06

    申请号:AU2014206958

    申请日:2014-01-15

    Applicant: BASF SE

    Abstract: The present invention relates to a method for preparing the pyripyropene compound of the formula (I) which method comprises the following steps: i) subjecting a pyripyropene compound of formula Pyripyropene A to an alkaline hydrolysis to yield a 1,7,11-trideacetylpyripyropene A, ii) reacting 1,7,11-trideacetylpyripyropene A obtained in step i) with cyclopropane carbonyl chloride to yield a raw product containing the pyripyropene compound of formula (I); iii) subjecting the raw product of step ii) to crystallization to yield a crystalline pyripyropene compound of formula (I) and a mother liquor;and iv) recycling the mother liquor or a pyripyropene compound containing fraction thereof to the alkaline hydrolysis of step i).

    METHOD FOR PREPARING A PYRIPYROPENE COMPOUND

    公开(公告)号:CA2898115A1

    公开(公告)日:2014-07-24

    申请号:CA2898115

    申请日:2014-01-15

    Applicant: BASF SE

    Abstract: The present invention relates to a method for preparing the pyripyropene compound of the formula (I) which method comprises the following steps: i) subjecting a pyripyropene compound of formula Pyripyropene A to an alkaline hydrolysis to yield a 1,7,11-trideacetylpyripyropene A, ii) reacting 1,7,11-trideacetylpyripyropene A obtained in step i) with cyclopropane carbonyl chloride to yield a raw product containing the pyripyropene compound of formula (I); iii) subjecting the raw product of step ii) to crystallization to yield a crystalline pyripyropene compound of formula (I) and a mother liquor;and iv) recycling the mother liquor or a pyripyropene compound containing fraction thereof to the alkaline hydrolysis of step i).

    METHOD FOR PREPARING A PYRIPYROPENE COMPOUND

    公开(公告)号:CA2898115C

    公开(公告)日:2021-03-02

    申请号:CA2898115

    申请日:2014-01-15

    Applicant: BASF SE

    Abstract: The present invention relates to a method for preparing the pyripyropene compound of the formula (I) which method comprises the following steps: i) subjecting a pyripyropene compound of formula Pyripyropene A to an alkaline hydrolysis to yield a 1,7,11-trideacetylpyripyropene A, ii) reacting 1,7,1 1-trideacetylpyripyropene A obtained in step i) with cyclopropane carbonyl chloride to yield a raw product containing the pyripyropene compound of formula (I); iii) subjecting the raw product of step ii) to crystallization to yield a crystalline pyripyropene compound of formula (I) and a mother liquor;and iv) recycling the mother liquor or a pyripyropene compound containing fraction thereof to the alkaline hydrolysis of step i).

    Method for the production of dipicolinate

    公开(公告)号:AU2009211870A1

    公开(公告)日:2009-08-13

    申请号:AU2009211870

    申请日:2009-02-04

    Applicant: BASF SE

    Abstract: The present invention relates to a novel method for the fermentative production of dipicolinate by cultivating a recombinant microorganism expressing an enzyme having dipicolinate synthetase activity. The present invention also relates to corresponding recombinant hosts, recombinant vectors, expression cassettes and nucleic acids suitable for preparing such hosts as well as a method of preparing polyester or polyamide copolymers making use of dipicolinate as obtained by fermentative production.

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