Conformational control in the synthesis of mixed tetraethers of calix [4] arene. Part 2
M Pitarch, JK Browne, MA McKervey
Index: Pitarch, Miguel; Browne, Julie K.; McKervey, M. Anthony Tetrahedron, 1997 , vol. 53, # 47 p. 16195 - 16204
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Citation Number: 5
Abstract
A series of mixed tetraethers of calix [4] arene and p-tert-butylcalix [4] arene in which two distal substituents are methyl and the other two 1-alkenyl groups with 3, 4 and 5 carbon atom chains have been prepared by two routes which differ in the order in which the groups (methyl or alkenyl) were introduced. The ethers of p-tert-butylcalix [4] arene were isolated as a mixture of cone (minor) and partial cone (major) conformations in dynamic equilibrium. ...
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