processo de produção de caspofungina e seus intermediários

processo de produção de caspofungina e seus intermediários

The present invention relates to novel intermediates of formula VII, or an acid addition salt or a solvate thereof, wherein R1 is -(CO)NH2, -CH2NH2 or -CN; R2=R3=H or R2 and R3 together form a cyclic boronate or borate ester; X is a helping group selected from the group consisting of i) a five or si...

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Hauptverfasser: VIDAR BJORNSTAD, AUDUN HEGGELUND, OLE HEINE KVERNENES
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CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PEPTIDES
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creator VIDAR BJORNSTAD
AUDUN HEGGELUND
OLE HEINE KVERNENES
description The present invention relates to novel intermediates of formula VII, or an acid addition salt or a solvate thereof, wherein R1 is -(CO)NH2, -CH2NH2 or -CN; R2=R3=H or R2 and R3 together form a cyclic boronate or borate ester; X is a helping group selected from the group consisting of i) a five or six membered heterocyclic aromatic ring and derivatives thereof comprising at least one N-atom being a part of an imine-group, wherein said N-atom forms the point of connection to the cyclohexapeptide ring, and ii) tetrazolyl and derivatives thereof for which a nitrogen atom forms the point of connection to the cyclohexapeptide ring, and a process for the preparation of caspofungin utilizing said intermediates.
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R2=R3=H or R2 and R3 together form a cyclic boronate or borate ester; X is a helping group selected from the group consisting of i) a five or six membered heterocyclic aromatic ring and derivatives thereof comprising at least one N-atom being a part of an imine-group, wherein said N-atom forms the point of connection to the cyclohexapeptide ring, and ii) tetrazolyl and derivatives thereof for which a nitrogen atom forms the point of connection to the cyclohexapeptide ring, and a process for the preparation of caspofungin utilizing said intermediates.</description><language>por</language><subject>CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY ; PEPTIDES</subject><creationdate>2015</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&amp;date=20151027&amp;DB=EPODOC&amp;CC=BR&amp;NR=PI0915036A2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20151027&amp;DB=EPODOC&amp;CC=BR&amp;NR=PI0915036A2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>VIDAR BJORNSTAD</creatorcontrib><creatorcontrib>AUDUN HEGGELUND</creatorcontrib><creatorcontrib>OLE HEINE KVERNENES</creatorcontrib><title>processo de produção de caspofungina e seus intermediários</title><description>The present invention relates to novel intermediates of formula VII, or an acid addition salt or a solvate thereof, wherein R1 is -(CO)NH2, -CH2NH2 or -CN; 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subjects CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PEPTIDES
title processo de produção de caspofungina e seus intermediários
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