Crystal structures of (5RS)-(Z)-4-[5-(furan-2-yl)-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl]-4-oxobut-2-enoic acid and (5RS)-(Z)-4-[5-(furan-2-yl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl]-4-oxobut-2-enoic acid

The title compounds, C17H14N2O4 (I) and C15H12N2O4S (II), possess very similar molecular geometries. In both molecules, the central 1,3,5-trisubstituted dihydropyrazole ring adopts an envelope conformation. The oxobutenoic acid fragment has an almost planar Z conformation [r.m.s. deviations of 0.049...

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Váldodahkkit:	Kseniya K. Borisova, Flavien A. A. Toze, Nniyaz Z. Yagafarov, Fedor I. Zubkov, Pavel V. Dorovatovskii, Yan V. Zubavichus, Victor N. Khrustalev
Materiálatiipa:	Artigo
Giella:	Inglês
Almmustuhtton:	International Union of Crystallography 2016-11-01
Ráidu:	Acta Crystallographica Section E: Crystallographic Communications
Fáttát:	crystal structure intramolecular Diels–Alder reaction furan thiophene
Liŋkkat:	http://scripts.iucr.org/cgi-bin/paper?S2056989016013992
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