“…of the non-deuterated compound NMR Gauss meter and a Hewlett-Packard 5342A microwave fre-181Ϫ182°C [22] [21] , pseudogeminal (5) [1b] , pseudogeminal (7) [3] and pseudoortho 6,9,16,19-tetra-C 8 D 8 ], 167 (13), 138 (35), 112 (13). methoxy [4.4]paracyclophane (12) [3] , pseudogeminal 7,10,18,21-tetramethoxy [5.5]paracyclophane (8) [4] , 9,12,22,paracyclophane: To a boiling, oxy [7.7]paracyclophane-4,17-dione (9) [16] , and 4,7-dimeth-stirred suspension of potassium carbonate (25 g) in ethanol/water oxy [2.2]paracyclophane (15) [22] were available in our laboratory or (95:5, 3 l) a solution containing 1,4-bis(2-bromoethyl)benzene (10.2 were prepared as described in the literature. …”