PRODUCTION OF OPTICALLY ACTIVE (6-4-IMIDAZOLYMETHYL)-3-SUBSTITUTED-2,5-PIPEAZINEDIONE
PURPOSE:To industrially and advantageously obtain the title compound useful as an antibiotic substance, plant growth retardant, etc., by protecting amino group of an optically active N-carboxyamino acid anhydride, reacting the protected compound with an optically active histidine ester, deprotecting...
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| creator | CHINO KUNITAKE OKAMURA HARUKI WATANABE KIMITO |
| description | PURPOSE:To industrially and advantageously obtain the title compound useful as an antibiotic substance, plant growth retardant, etc., by protecting amino group of an optically active N-carboxyamino acid anhydride, reacting the protected compound with an optically active histidine ester, deprotecting and cyclizing the resultant product. CONSTITUTION:The amino group at the 3-position of an optically active N- carboxyamino acid anhydride expressed by formula I [R is 1-5C alkyl, phenyl or (substituted)benzyl] is protected with a protecting group (preferably 2- nitrophenylsulfenyl or 3-nitro-2-pyridinesulfenyl group) and the resultant compound is then reacted with an optically active histidine ester. The protecting group is subsequently eliminated and the deprotected compound is cyclized to afford the aimed compound expressed by formula II. |
| format | Patent |
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CONSTITUTION:The amino group at the 3-position of an optically active N- carboxyamino acid anhydride expressed by formula I [R is 1-5C alkyl, phenyl or (substituted)benzyl] is protected with a protecting group (preferably 2- nitrophenylsulfenyl or 3-nitro-2-pyridinesulfenyl group) and the resultant compound is then reacted with an optically active histidine ester. The protecting group is subsequently eliminated and the deprotected compound is cyclized to afford the aimed compound expressed by formula II.</description><language>eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; APPARATUS THEREFOR ; CHEMISTRY ; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ; GENERAL METHODS OF ORGANIC CHEMISTRY ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HETEROCYCLIC COMPOUNDS ; METALLURGY ; ORGANIC CHEMISTRY ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><creationdate>1989</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=19890707&DB=EPODOC&CC=JP&NR=H01172383A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19890707&DB=EPODOC&CC=JP&NR=H01172383A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHINO KUNITAKE</creatorcontrib><creatorcontrib>OKAMURA HARUKI</creatorcontrib><creatorcontrib>WATANABE KIMITO</creatorcontrib><title>PRODUCTION OF OPTICALLY ACTIVE (6-4-IMIDAZOLYMETHYL)-3-SUBSTITUTED-2,5-PIPEAZINEDIONE</title><description>PURPOSE:To industrially and advantageously obtain the title compound useful as an antibiotic substance, plant growth retardant, etc., by protecting amino group of an optically active N-carboxyamino acid anhydride, reacting the protected compound with an optically active histidine ester, deprotecting and cyclizing the resultant product. CONSTITUTION:The amino group at the 3-position of an optically active N- carboxyamino acid anhydride expressed by formula I [R is 1-5C alkyl, phenyl or (substituted)benzyl] is protected with a protecting group (preferably 2- nitrophenylsulfenyl or 3-nitro-2-pyridinesulfenyl group) and the resultant compound is then reacted with an optically active histidine ester. The protecting group is subsequently eliminated and the deprotected compound is cyclized to afford the aimed compound expressed by formula II.</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>APPARATUS THEREFOR</subject><subject>CHEMISTRY</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS</subject><subject>GENERAL METHODS OF ORGANIC CHEMISTRY</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>HETEROCYCLIC COMPOUNDS</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1989</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAgNCPJ3CXUO8fT3U_B3U_APCPF0dvTxiVRwBIqFuSpomOma6Hr6ero4Rvn7RPq6hnhE-mjqGusGhzoFh3iGhIa4uuga6ZjqBngGuDpGefq5ugBNcuVhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfFeAR4GhobmRsYWxo7GxKgBAFj2MIE</recordid><startdate>19890707</startdate><enddate>19890707</enddate><creator>CHINO KUNITAKE</creator><creator>OKAMURA HARUKI</creator><creator>WATANABE KIMITO</creator><scope>EVB</scope></search><sort><creationdate>19890707</creationdate><title>PRODUCTION OF OPTICALLY ACTIVE (6-4-IMIDAZOLYMETHYL)-3-SUBSTITUTED-2,5-PIPEAZINEDIONE</title><author>CHINO KUNITAKE ; OKAMURA HARUKI ; WATANABE KIMITO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH01172383A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1989</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>APPARATUS THEREFOR</topic><topic>CHEMISTRY</topic><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS</topic><topic>GENERAL METHODS OF ORGANIC CHEMISTRY</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>HETEROCYCLIC COMPOUNDS</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><toplevel>online_resources</toplevel><creatorcontrib>CHINO KUNITAKE</creatorcontrib><creatorcontrib>OKAMURA HARUKI</creatorcontrib><creatorcontrib>WATANABE KIMITO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHINO KUNITAKE</au><au>OKAMURA HARUKI</au><au>WATANABE KIMITO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PRODUCTION OF OPTICALLY ACTIVE (6-4-IMIDAZOLYMETHYL)-3-SUBSTITUTED-2,5-PIPEAZINEDIONE</title><date>1989-07-07</date><risdate>1989</risdate><abstract>PURPOSE:To industrially and advantageously obtain the title compound useful as an antibiotic substance, plant growth retardant, etc., by protecting amino group of an optically active N-carboxyamino acid anhydride, reacting the protected compound with an optically active histidine ester, deprotecting and cyclizing the resultant product. CONSTITUTION:The amino group at the 3-position of an optically active N- carboxyamino acid anhydride expressed by formula I [R is 1-5C alkyl, phenyl or (substituted)benzyl] is protected with a protecting group (preferably 2- nitrophenylsulfenyl or 3-nitro-2-pyridinesulfenyl group) and the resultant compound is then reacted with an optically active histidine ester. The protecting group is subsequently eliminated and the deprotected compound is cyclized to afford the aimed compound expressed by formula II.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS GENERAL METHODS OF ORGANIC CHEMISTRY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | PRODUCTION OF OPTICALLY ACTIVE (6-4-IMIDAZOLYMETHYL)-3-SUBSTITUTED-2,5-PIPEAZINEDIONE |
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