Synthetic method of pesticide dinotefuran intermediate 3-hydroxymethyl tetrahydrofuran
The invention discloses a synthetic method of pesticide dinotefuran intermediate 3-hydroxymethyl tetrahydrofuran, and the synthetic method is as follows: reacting compound succinic acid dialkyl ester with formic acid alkyl ester in the presence of a strong alkali to obtain a compound III, then obtai...
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| creator | CHEN QINGHONG WU YAOJUN GE JIUPING |
| description | The invention discloses a synthetic method of pesticide dinotefuran intermediate 3-hydroxymethyl tetrahydrofuran, and the synthetic method is as follows: reacting compound succinic acid dialkyl ester with formic acid alkyl ester in the presence of a strong alkali to obtain a compound III, then obtaining a compound II by a reduction reaction, finally, in the presence of an acid catalyst, obtaining a compound shown as formula I by a dehydration cyclization reaction, and R or R ' respectively independently represents C1-5 alkyl. The synthetic method is low in raw material cost, simple in reaction operation, less in pollution, high in yield of each step, 99% in the yield of the reducing step, and suitable for industrial production. |
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The synthetic method is low in raw material cost, simple in reaction operation, less in pollution, high in yield of each step, 99% in the yield of the reducing step, and suitable for industrial production.</description><language>chi ; eng</language><subject>CHEMISTRY ; HETEROCYCLIC COMPOUNDS ; METALLURGY ; ORGANIC CHEMISTRY</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=20140409&DB=EPODOC&CC=CN&NR=103709126A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140409&DB=EPODOC&CC=CN&NR=103709126A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHEN QINGHONG</creatorcontrib><creatorcontrib>WU YAOJUN</creatorcontrib><creatorcontrib>GE JIUPING</creatorcontrib><title>Synthetic method of pesticide dinotefuran intermediate 3-hydroxymethyl tetrahydrofuran</title><description>The invention discloses a synthetic method of pesticide dinotefuran intermediate 3-hydroxymethyl tetrahydrofuran, and the synthetic method is as follows: reacting compound succinic acid dialkyl ester with formic acid alkyl ester in the presence of a strong alkali to obtain a compound III, then obtaining a compound II by a reduction reaction, finally, in the presence of an acid catalyst, obtaining a compound shown as formula I by a dehydration cyclization reaction, and R or R ' respectively independently represents C1-5 alkyl. 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| title | Synthetic method of pesticide dinotefuran intermediate 3-hydroxymethyl tetrahydrofuran |
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