-
5
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-
0001000677
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-
(1987)
Tetrahedron Lett.
, vol.28
, pp. 6367
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-
Ashton, P.R.1
Chrystal, E.J.T.2
Mathias, J.P.3
Parry, K.P.4
Slawin, A.M.Z.5
Spencer, N.6
Stoddart, J.F.7
Williams, D.J.8
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7
-
-
0010364078
-
-
21,24] tetra‐conta‐1(28),2,4,7,9,12,14,16,18,21,23,26,29,31,33,35,37,39‐octadecaene. The syntheses of the constitutionally isomeric derivatives containing (a) two ortho‐,(b) two meta‐, and (c) one ortho‐ and one meta‐phenylene ring(s) have already been reported
-
(1983)
Angew. Chem.
, vol.95
, pp. 501
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-
Geuder, W.1
Hünig, S.2
Suchy, A.3
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9
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-
46149138728
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-
Although these tetracations were characterized as their tetrabromides and tetrakis(hexafluorophosphates), there is no report in these publications of them forming inclusion complexes. However, after our communication had been submitted for publication, we received from Professor Hünig a copy of a communication
-
(1986)
Tetrahedron
, vol.42
, pp. 1665
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-
-
11
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-
84990082136
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-
in which the ability of a number of different tetracationic macrocycles (containing two paraquat units connected in a phane‐like manner by means of bridges incorporating different aromatic residues) to form inclusion complexes with a range of neutral guests is described
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(1988)
Angew. Chem. Int. Ed. Engl.
, vol.27
, pp. 1553
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-
-
12
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-
84990095429
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-
2O.
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-
-
-
13
-
-
84990108750
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-
κα radiation (graphite monochromator). The structure was solved by direct methods and refined anisotropically. Further details of the crystal structure investigation can be obtained from the Cambridge Crystallographic Data Centre, University Chemical Laboratory, Lensfield Road, Cambridge CB2 1EW (England). Any request should be accompanied by the full literature citation for this communication.
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-
-
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14
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-
84990124527
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-
2O molecule lies within the channels in two centrosymmetrically‐related partial occupancy sites.
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-
-
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16
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-
0842341771
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-
to encompass the residual charges required for modeling electrostatic interactions, predict a gross conformation for 4 that is in close accord (cyclophane dimensions, 10.3 → 7.2 Å, cf. 10.3 → 6.8 Å) with that observed by X‐ray crystallography. Furthermore, these studies have demonstrated that there are two regions within the cyclophane that constitute favorable binding sites for MeCN molecules in accord, once again, with the X‐ray structural observations
-
(1985)
J. Am. Chem. Soc.
, vol.107
, pp. 3902
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-
Dewar, M.J.S.1
Zoebisch, E.G.2
Healy, E.F.3
Stewart, J.J.P.4
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18
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-
84990093896
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-
max = 484 nm and is orange in color.
-
-
-
-
19
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-
84990093903
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-
6·3c, Δδ = −0.54 (H‐3/6), −0.25 (H‐4/5), −0.13 (OMe).
-
-
-
-
20
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-
84990093901
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-
2), +0.04 (H‐α), −0.15 (H‐β)
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-
-
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26
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-
0242340169
-
„In-out”-isomere Großhohlräume und ihre unterschiedliche Gastselektivität
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2O/DCl containing either a large macrobicyclic hexamine incorporating two triphenylethane bridgeheads
-
(1985)
Angewandte Chemie
, vol.97
, pp. 224
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-
Franke, J.1
Vögtle, F.2
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