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Abstract
Reaction of o-xylenyl dibromide with dipotassium salt of 2-nitro-1,1-ethanedithiol afforded nitroethylenophane 2. Similar strategy has been used for the synthesis of cyclophanes 7, 9 and 11.
ACKNOWLEDGMENT
MS thanks CSIR, New Delhi for the SRF and UGC for Special Assistance Programme and Mr. S. Baktharaman for the synthesis of few starting materials. The authors thank Dr. G. Geetha, SPIC Science Foundation, Chennai, for recording NMR spectra for some of the cyclophanes.