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Diastereoselectivity and Reactivity in theDiels-Alder Reactions of ?-Chloronitroso Ethers

Autor: R. Prewo, H. Felber, Günter Kresze, Andrea Vasella

Publikováno v: Helvetica Chimica Acta. 69:1137-1146

The structure of the α-chloronitroso ether 1, obtained from the hydroximolactone 2 and tert-butyl hypochlorite (89%), was established by X-ray crystallographic analysis. The [4 + 2] cycloadditions of 1 with the dienes 3 and 8–11 led to the N-unsub

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c5780bc351dafaa4ae71fe6b28a335b
https://doi.org/10.1002/hlca.19860690522

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Notizen: Die Kristallstruktur von Tetramethylarsonium-dibromodimethylindat [(CH3)4As][(CH3)2InBr2]

Autor: H. J. Guder, R. Prewo, Wolfgang Schwarz, Hans-Dieter Hausen

Publikováno v: Zeitschrift für Naturforschung B. 31:1427-1429

[(CH3)4As][(CH3)2InBr2] has been prepared by reaction of (CH3)3AsBr2 with ln(CH3)3. The compound crystallizes in the orthorhombic space-group P212121 and four formula units in the cell. The structure was refined by least square analysis to a R-value

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8bb744cfe191bce1c4f7eb3c3f0333cf
https://doi.org/10.1515/znb-1976-1030

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Structure of racemic isoptychanolide

Autor: M. Karpf, J. Huguet, J. H. Bieri, R. Prewo

Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 43:1964-1966

C 15 H 22 O 3 cristallise dans le systeme triclinique avec le groupe d'espace P1. Affinement de la structure jusqu'a 0,057

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::314f9cbab20f9e9f719095319643d25e
https://doi.org/10.1107/s0108270187089443

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