Zobrazeno 1 - 10
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pro vyhledávání: '"Urszula Bernaś"'
Autor:
Urszula Bernaś, Halina Hajmowicz, Izabela D. Madura, Monika Majcher, Ludwik Synoradzki, Krzysztof Zawada
Publikováno v:
ARKIVOC, Vol 2010, Iss 11, Pp 1-12 (2010)
Externí odkaz:
https://doaj.org/article/a94e499811874ed59d247c1dbf07f27f
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 6, Pp o1891-o1892 (2012)
The title compound, C18H17NO6 [systematic name: (2R,3R)-4-benzylamino-2-benzoyloxy-3-hydroxy-4-oxobutanoic acid], is the first structurally characterized unsymmetrical monoamide–monoacyl tartaric acid derivative. The molecule shows a staggered conf
Externí odkaz:
https://doaj.org/article/1ab02456c05c48f68670974877893de5
Publikováno v:
Tetrahedron. 71:4047-4052
The ring-opening reaction of nonsymmetrically substituted tartaric acid anhydride was used to synthesize monoamides and monoesters of O-benzoyltartaric acid, type I (a) and II (b) building blocks with all four functional groups differentiated. The co
Publikováno v:
Tetrahedron: Asymmetry. 23:136-143
A simple chemoenzymatic method for the preparation of optically active (5-aryltetrazolyl-2)-4-butan-2-ol, (5-aryltetrazolyl-2)-propan-2-ol, and their acetates has been developed. The starting compounds (5-aryltetrazolyl-2)-4-butan-2-one and (5-arylte
Publikováno v:
Organic Preparations and Procedures International. 40:163-200
(2008). TARTARIC ACID AND ITS O-ACYL DERIVATIVES. PART 2. APPLICATION OF TARTARIC ACID AND OF O-ACYL TARTARIC ACIDS AND ANHYDRIDES. RESOLUTION OF RACEMATES. Organic Preparations and Procedures International: Vol. 40, No. 2, pp. 163-200.
Publikováno v:
Organic Preparations and Procedures International. 37:37-63
INTRODUCTION 39 I. O,O'-Diacyltartaric Acid Anhydrides 43 a) By Acylation-Dehydration with Acid Chlorides 44 b) By Acylation-Dehydration with Acid Anhydrides 45 c) By Reaction with Thionyl Chloride 45 d) By Dehydration of O,O'-Diacyltartaric Acids 46
Publikováno v:
Acta Crystallographica Section E Structure Reports Online. 68:o1891-o1892
The title compound, C18H17NO6 [systematic name: (2R,3R)-4-benzylamino-2-benzoyloxy-3-hydroxy-4-oxobutanoic acid], is the first structurally characterized unsymmetrical monoamide–monoacyl tartaric acid derivative. The molecule shows a staggered conf
Publikováno v:
Acta Crystallographica Section E Structure Reports Online. 63:o3209-o3209
The synthesis of the title compound, (1R,2R)-1-carboxy-2-[(3S)-4,4-dimethyl-2-oxotetrahydrofuran-3-yloxycarbonyl]ethane-1,2-diyl diacetate, C14H18O10, from diacetyltartaric acid anhydride and pantolactone gave two enantiomeric pairs and the
Publikováno v:
Acta Crystallographica Section E Structure Reports Online. 63:o3210-o3210
In the synthesis of (1R,2R)-1-carboxy-2-[(3R)-4,4-dimethyl-2-oxotetrahydrofuran-3-yloxycarbonyl]ethane-1,2-diyl diacetate from diacetyltartaric acid anhydride and pantolactone, two enantiomeric pairs were obtained and the structure of the
Autor:
Halina Hajmowicz, Monika Majcher, Krzysztof Zawada, Urszula Bernaś, Izabela D. Madura, Ludwik Synoradzki
Publikováno v:
Scopus-Elsevier
ARKIVOC, Vol 2010, Iss 11, Pp 1-12 (2010)
ResearcherID
ARKIVOC, Vol 2010, Iss 11, Pp 1-12 (2010)
ResearcherID
Practical acylation of unprotected tartaric acid 1 by acyl chlorides to the corresponding monoacyltartaric acids 2 has been shown. Several unusual cases in the acylation of 1 are observed; it has been found that two routes of acylation are possible.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65140c6fc349885c76e992f84e59b047
http://www.scopus.com/inward/record.url?eid=2-s2.0-77958559676&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-77958559676&partnerID=MN8TOARS