Explain diphenylethyne can be prepared from meso

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Reference no: EM13210355

Diphenylethyne can be prepared from meso-1,2-dibromo-1,2-diphenylethane, by double E2 elimination via the corresponding alkene.

a) Which alkene is initially formed?

b) Is the second elimination syn- or anti-planar?

Reference no: EM13210355

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