Zobrazeno 1 - 8 of 8 pro vyhledávání: '"Achim Hense"'
1
Stereoselective Synthesis of Alcohols, XLIX. Tetrahydro-4-pyranols and 4-Piperidinols by Intramolecular Allylboration Reaction
Autor: Achim Hense, Reinhard W. Hoffmann
Publikováno v: Liebigs Annalen. 1996:1283-1288
trans- and cis-3-Vinyltetrahydropyran-4-ol (11) and (12) as well as derivatives of trans- and cis-3-vinyl-4-piperidinol (25) and (33) were synthesized by essentially stereospecific intramolecular allylboration reactions: The (Z)-allylboronates 15 and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74a1f46de9f8180a29d71d25f25a97a1
https://doi.org/10.1002/jlac.199619960807
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2
Direct preparation of diacetals from 1,2-diketones and their use as 1,2-diol protecting groups
Autor: Achim Hense, Helen M. I. Osborn, Jean-François Poisson, Stuart L. Warriner, Steven V. Ley, Dafydd R. Owen, Kieron E. Wesson
Publikováno v: Journal of the Chemical Society, Perkin Transactions 1. :2023-2032
A range of 1,2-diketones have been evaluated as potential protecting groups for trans-1,2-diols via 1,2-diacetal formation. The procedure is especially useful in oligosaccharide and natural product synthesis.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::483c0e20904bfb4b023e775ef4eeb58e
https://doi.org/10.1039/a702497e
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3
Stereoselective Synthesis of Alcohols, XLII. Stereoselective Cyclization of (8-Oxo-2-octenyl)boronates tocis- ortrans-2-Vinylcyclohexanol
Autor: Achim Hense, Thomas Sander, Reinhard W. Hoffmann
Publikováno v: Liebigs Annalen der Chemie. 1993:771-775
Intramolecular allylboration reactions of (8-oxo-2-octenyl)boronates proceed with excellent diastereoselectivity: the E-isomer 1d leads to the trans-2-vinylcyclohexanol (2) with 99.5% d.s., the corresponding Z-isomer 3d cyclizes to give the cis-isome
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::de1dbd61a0de76d72bb4b51dad768991
https://doi.org/10.1002/jlac.1993199301122
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5
ChemInform Abstract: Direct Preparation of Diacetals from 1,2-Diketones and Their Use as 1, 2-Diol Protecting Groups
Autor: Steven V. Ley, Helen M. I. Osborn, Kieron E. Wesson, Dafydd R. Owen, Achim Hense, Stuart L. Warriner, Jean-François Poisson
Publikováno v: ChemInform. 28
A range of 1,2-diketones have been evaluated as potential protecting groups for trans-1,2-diols via 1,2-diacetal formation. The procedure is especially useful in oligosaccharide and natural product synthesis.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::68c75f21d105b0bd71e180f27288d7ee
https://doi.org/10.1002/chin.199751085
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