-
3
-
-
84916472072
-
-
Except for 1 (R = H. alkyl = tBu). In this case tBu/Ph antiperiplanar conformation was found to be preferred.
-
-
-
-
4
-
-
84916479384
-
-
5 were found by NMR (LIS) to be dominated with the syn-clinal alkyl/π-group conformation: Zushi S., Kodama Y., Nishio M., Felkin H. unpublished results. See Sicher, J.; Cherest, M.; Gault, Y.; Felkin, H. Collect. Czeck. Chem. Commun. 1963, 28, 72 for the IR evidence.
-
-
-
-
5
-
-
84916474998
-
-
6 (dipole moment).
-
-
-
-
26
-
-
4544236828
-
Substituent effects on the populations of rotational isomers in 9-benzyl-8,13-dichloro-1-methyltriptycenes. Evidence for the presence of CH3....PI. interactions.
-
(1987)
Chemistry Letters
, pp. 89
-
-
Nakai1
Yamamoto2
Oki3
-
37
-
-
84916465288
-
NMR Study on the Solvent Effect of the Fatty AcidAromatic Compound System
-
(1960)
Nippon kagaku zassi
, vol.81
, pp. 1025
-
-
Shimizu1
-
38
-
-
0008200734
-
Solvent Shifts in NMR Spectra of Organic Compo u nds. I. The Solvation Shift of the Methyl Group
-
(1961)
Nippon kagaku zassi
, vol.82
, pp. 141
-
-
Nakagawa1
-
49
-
-
84916498507
-
Can hydrogen atoms in alkyl group interact with .PI.-electrons of double bonds?Theoretical study for the CH--.PI. interaction on organic molecules.
-
(1989)
Chemistry Letters
, pp. 921
-
-
Sakakibara1
Hirota2
-
54
-
-
84916479202
-
-
PM3 molecular orbital was used.
-
-
-
-
55
-
-
84916503342
-
-
Computation on supramolecular systems other than the methane/ethylene system is currently being carried out. The orientation dependence of the CH/π interaction is also being investigated.
-
-
-
-
69
-
-
84916517174
-
-
The problems of conformation and optical property (circular dichroism) of compounds were the principal subjects of the previous Report. Interested readers are referred to Ref. 1.
-
-
-
-
76
-
-
84916484120
-
-
Numbers reported here were obtained by calculation with the use of coordinates that appeared in the literature.
-
-
-
-
103
-
-
84909658201
-
Stereoselectivity effected by inter-ligand, "hydrophobic" interaction in tris(1-l-menthoxy-3-acetylacetonato)cobalt(III) and chromium(III).
-
(1981)
Chemistry Letters
, pp. 547
-
-
Nakamura1
Okawa2
Kida3
-
111
-
-
0000088031
-
Noncovalent interactions in metal complexes. 16. Stereoselectivity of 1:3 complexes of Sc, Y, La, Al, Ga, and In ions with 4-(l-menthyloxy)-1-phenyl-1,3-butanedione and 4-(l-menthyloxy)-1-p-tolyl-1,3-butanedione
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(1988)
Inorganic Chemistry
, vol.27
, pp. 4373
-
-
Okawa1
Tokunaga2
Katsuki3
Koikawa4
Kida5
-
121
-
-
0010622199
-
Weak attractive interaction between axially coordinated imidazoles and meso-substituents in low spin tetraarylporphyrinato-iron(III) complexes.
-
(1990)
Chemistry Letters
, pp. 181
-
-
Nakamura1
Nakamura2
-
123
-
-
84916462624
-
-
This may be surprising, but is reasonable since there are eight iPr/imidazole interactions in 14.
-
-
-
-
124
-
-
84916496387
-
-
Dauben W.G. private communication.
-
-
-
-
125
-
-
33947473436
-
-
Solvents bearing a methyl group or a π group in the molecule often show irregular properties in solubility
-
(1963)
J. Phys. Chem.
, vol.67
, pp. 916
-
-
Hiraoka1
Hildebrand2
-
131
-
-
84916521339
-
-
In this respect, it is to be noted that the majority of drugs of practical use bear an aromatic group in the molecule.
-
-
-
-
132
-
-
84995104190
-
The x-ray crystallographic study of covalently modified carboxypeptidase A by 2-benzyl-3,4-epoxybutanoic acid, a pseudomechanism-based inactivator
-
See Ref. 16. The following recent papers have commented on the possible involvement of the CH/π interaction in proteins
-
(1992)
Journal of the American Chemical Society
, vol.114
, pp. 2281
-
-
Yun1
Park2
Kim3
Nam4
Kim5
Kim6
-
148
-
-
0010616443
-
-
For criticisms to the concept of the “hydrophobic interaction”, see, (in Japanese)
-
(1967)
Kagaku to Kogyo
, vol.21
, pp. 1400
-
-
Shinoda1
-
162
-
-
0025706147
-
-
see also
-
(1990)
Science
, vol.250
, pp. 297
-
-
Dill1
-
168
-
-
84916468363
-
-
Distances reported here were obtained by examining data kindly provided from Dr Harata. The hydrogens were generated. Method of computer search for CH/π short contacts is described in the following section.
-
-
-
-
169
-
-
84916507071
-
-
2).
-
-
-
-
185
-
-
0000139181
-
Complexation of methylammonium salts and sugar-related alcohols with resorcinol cyclic tetramer in water: An implication of the CH-π interaction on polar guest binding
-
(1993)
Supramolecular Chemistry
, vol.2
, pp. 133
-
-
Kobayashi1
Asakawa2
Aoyama3
-
202
-
-
24944529394
-
-
(in Japanese); we thank Professor Odashima for information.
-
(1988)
Yakugaku Zasshi
, vol.108
, pp. 91
-
-
Odashima1
-
207
-
-
0000644980
-
Structure of host-guest complexes of 1′,1″-dimethyl-dispiro[1,6,20,25-tetraoxa[6.1.6.1]paracyclophane-13,4′:32,4″-bispiperidine] with benzene andp-xylene
-
(1985)
Chemische Berichte
, vol.118
, pp. 3620
-
-
Krieger1
Diederich2
-
214
-
-
0345956770
-
The role of molecular shape similarity in specific molecular recognition
-
(1985)
Top. Curr. Chem.
, vol.128
, pp. 91
-
-
Endo1
-
218
-
-
84916483248
-
-
The optimization was carried out by the molecular mechanics energy minimization with the programme KOPT, Kamiya K., Umeyama H. unpublished
-
-
-
-
227
-
-
84916475200
-
-
Note that a branched-alkyl group seems to be essential to be incorporated for bringing about an effective selectivity, in a number of interaction systems cited in the previous sections. Examples include the results reported by Okawa, Nakamura, Mosher and Endo, and their coworkers.
-
-
-
-
267
-
-
84944430733
-
On the Position of the Intramolecular Equilibrium between Opened and Aromatic-Ring Stacked Forms in Ternary Complexes Composed of Adenosine 5?-triphosphate, Mg2+ or Zn2+, andL-Tryptophanate, and in Related Ternary Systems
-
(1979)
Helvetica Chimica Acta
, vol.62
, pp. 1723
-
-
Mitchell1
Prijs2
Sigel3
-
268
-
-
20644432815
-
Intramolecular Hydrophobic and Aromatic-Ring Stacking Interactions in Ternary Complexes in Solution
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(1981)
Adv. Solution Chem.
, vol.1
, pp. 149
-
-
Sigel1
-
276
-
-
0015919772
-
Carp muscle calcium-binding protein. II. Structure determination and general description.
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(1973)
J Biol Chem
, vol.248
, pp. 3313
-
-
Kretsinger1
Nockolds2
-
288
-
-
84916476736
-
-
We have the impression that arginine and methionine sometimes behave like lysine (with the use of three methylenes and a guanidyl group in Arg and two methylenes and a methyl in Met).
-
-
-
-
297
-
-
84916513233
-
-
Arthrobacter strain B3728, Ampullariella sp. strain 3876, Streptomyces vialaceoniger, Escherichia coli, Bacillus subtilis.
-
-
-
-
309
-
-
84916492314
-
-
Within the ligand we found several CH/π contacts (not shown).
-
-
-
-
319
-
-
0016694206
-
-
2MCP (3.1 Å)
-
(1975)
Nature
, vol.256
, pp. 373
-
-
Poljak1
-
339
-
-
0000526820
-
CH3...O Hydrogen bond. Implications of its presence from the substituent effects on the populations of rotamers in 4-substituted 9-ethyl-l-methoxytriptycenes and 9-(substituted phenoxymethyl)-1,4-dimethyltriptycenes.
-
(1987)
Bulletin of the Chemical Society of Japan
, vol.60
, pp. 1781
-
-
Tamura1
Yamamoto2
Oki3
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