METHOD FOR PREPARING A PYRIPYROPENE COMPOUND
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-...
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| creator | REICHERT, WOLFGANG SCHRODER, HARTWIG KAEDING, THOMAS BONNEKESSEL, MELANIE HOOCK, RALF KORADIN, CHRISTOPHER PLETSCH, ANDREAS EHRESMANN, MANFRED |
| description | 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). |
| format | Patent |
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EHRESMANN, MANFRED</creatorcontrib><description>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).</description><language>eng ; fre</language><subject>AGRICULTURE ; ANIMAL HUSBANDRY ; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES ; CHEMISTRY ; FISHING ; FORESTRY ; HETEROCYCLIC COMPOUNDS ; HUMAN NECESSITIES ; HUNTING ; METALLURGY ; ORGANIC CHEMISTRY ; PEST REPELLANTS OR ATTRACTANTS ; PLANT GROWTH REGULATORS ; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF ; TRAPPING</subject><creationdate>2014</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140724&DB=EPODOC&CC=CA&NR=2898115A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140724&DB=EPODOC&CC=CA&NR=2898115A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>REICHERT, WOLFGANG</creatorcontrib><creatorcontrib>SCHRODER, HARTWIG</creatorcontrib><creatorcontrib>KAEDING, THOMAS</creatorcontrib><creatorcontrib>BONNEKESSEL, MELANIE</creatorcontrib><creatorcontrib>HOOCK, RALF</creatorcontrib><creatorcontrib>KORADIN, CHRISTOPHER</creatorcontrib><creatorcontrib>PLETSCH, ANDREAS</creatorcontrib><creatorcontrib>EHRESMANN, MANFRED</creatorcontrib><title>METHOD FOR PREPARING A PYRIPYROPENE COMPOUND</title><description>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).</description><subject>AGRICULTURE</subject><subject>ANIMAL HUSBANDRY</subject><subject>BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES</subject><subject>CHEMISTRY</subject><subject>FISHING</subject><subject>FORESTRY</subject><subject>HETEROCYCLIC COMPOUNDS</subject><subject>HUMAN NECESSITIES</subject><subject>HUNTING</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><subject>PEST REPELLANTS OR ATTRACTANTS</subject><subject>PLANT GROWTH REGULATORS</subject><subject>PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF</subject><subject>TRAPPING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNDxdQ3x8HdRcPMPUggIcg1wDPL0c1dwVAiIDPIEYv8AVz9XBWd_3wD_UD8XHgbWtMSc4lReKM3NoODmGuLsoZtakB-fWlyQmJyal1oS7-xoZGFpYWho6mhoTIQSAGGgJOk</recordid><startdate>20140724</startdate><enddate>20140724</enddate><creator>REICHERT, WOLFGANG</creator><creator>SCHRODER, HARTWIG</creator><creator>KAEDING, THOMAS</creator><creator>BONNEKESSEL, MELANIE</creator><creator>HOOCK, RALF</creator><creator>KORADIN, CHRISTOPHER</creator><creator>PLETSCH, ANDREAS</creator><creator>EHRESMANN, MANFRED</creator><scope>EVB</scope></search><sort><creationdate>20140724</creationdate><title>METHOD FOR PREPARING A PYRIPYROPENE COMPOUND</title><author>REICHERT, WOLFGANG ; 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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).</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FISHING FORESTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HUNTING METALLURGY ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING |
| title | METHOD FOR PREPARING A PYRIPYROPENE COMPOUND |
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