TETRAMETHYL TERT-BUTYLCALIX[4]ARENE TETRAKETONE

被引:2
作者
FERGUSON, G [1 ]
GALLAGHER, JF [1 ]
MCKERVEY, MA [1 ]
机构
[1] QUEENS UNIV BELFAST,DEPT CHEM,BELFAST BT9 5AG,NORTH IRELAND
关键词
Molecules;
D O I
10.1107/S0108270192010515
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The title molecule, 25,26,27,28-tetraacetonyloxy-5,11,-17,23-tetra-tert-butylpentacyclo[19.3. 1.1(3,7).1(9,13).1(15,19)]-octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19,21,23-dodecaene, has twofold crystallographic symmetry and adopts a distorted cone conformation in the solid state. The orientation of the four aromatic rings is such that two of the rings are almost parallel to each other and the other two almost normal to one another. This conformation precludes a solvent molecule being enclathrated within the cavity.
引用
收藏
页码:602 / 604
页数:3
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