Methyl rel-(2R,3S,5R,6S)-7-oxabicyclo[2.2.1]heptane-2,3,5,6-tetracarboxylate

Kohnke, Franz H.; Stoddart, J. Fraser; Slawin, Alexandra M. Z.; Williams, David J.

doi:10.1107/s010827018800006x

Cited by 4 publications

References 3 publications

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Stereoregular Oligomerization by Repetitive Diels–Alder Reactions

Ashton

Isaacs

Kohnke

et al. 1989

Angew. Chem. Int. Ed. Engl.

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pale yellow liquid, m.p. = -27 to -28"C.yield: 53%. IR (gas): ?= 1738(wsh), 1677(s), 1611(s), 910(vs), 86S(vs), 820(m), 602(ss)cm-'; EI-MS(70eV. 79Br):m/r292(Me-F,2%),232(MQ-Br, loo), 127(SF,,23);CI-MS(methane,'9Br):m/z = 312(Me + H,90),292 ( M e -F, loo), 232 (Me-Br, 84), 127 (SF,, 48); 19F NMR (CCI,F): AB, spectrum, 6, = 70.4, 6, = 62.4, J = 157.0 Hz; correct elemental analysis. b) Inorg. Chem. 24 (1985) 4171. [23] TeF5N=CBr,: yellow liquid, yield: 30%. IR (Gas): 8 = 1641(s), 1570(s), 804(s), 701(s)crn-'; EI-MS (70eV, I3'Te, '9Br): m/z = 330 (M@-Br, 100%),2XX(TeBr~, 17),225(TeFy,28), 187(TeF~,39),105(NCBrQ,47), 79 (Bre, 26); CI-MS (methane. I3OTe, 79Br): m / i = 410 ( M e + H, 46%).1 258 0 VCH Verlagsgesellschaft mbH. 0-6940 Weinheim, 1989 0570-0833/89/09o9-I258 $02.50/0 Angew. Chem. Inl. Ed. Engl. 28 (1989) Nr. 9 9 H H H H Anzeiv Chem. lnt. Ed. EnRl. 28 (1989) Nr. 9 Q VCH Verlapsgeselisrhaft mbH, 0-6940 Weinhelm, 1989 0570-0833/8910909-1259 S 02.50/0

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Stereoregular Oligomerization by Repetitive Diels–Alder Reactions

Ashton

Isaacs

Kohnke

et al. 1989

Angew. Chem. Int. Ed. Engl.

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Trinacrene – a Product of Structure‐Directed Synthesis

Ashton

Isaacs

Kohnke

et al. 1989

Angew. Chem. Int. Ed. Engl.

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Trinacrene (1) is a promising—and very attractive‐new cage compound with a name derived from an old designation for Sicily (Trinacrien). The synthesis of 1 was accomplished in two steps involving six (2 × 3) Diels–Alder reactions and highly symmetrical precursors, the second step being a high‐pressure reaction (10 kbar). Compound 1 displays D3h symmetry and gives only the predicted five 1H NMR signals.

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The Making of Molecular Belts and Collars

Stoddart

1989

United States-Japan Seminar on Host-Guest Chemistry

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Methyl rel-(2R,3S,5R,6S)-7-oxabicyclo[2.2.1]heptane-2,3,5,6-tetracarboxylate

Abstract: ( I F o I ). The all-exo configuration of the ester group proposed on the basis of NMR spectroscopic studies for the title compound is confirmed.

Cited by 4 publications

References 3 publications

Stereoregular Oligomerization by Repetitive Diels–Alder Reactions

Stereoregular Oligomerization by Repetitive Diels–Alder Reactions

Trinacrene – a Product of Structure‐Directed Synthesis

The Making of Molecular Belts and Collars

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