When the compound having a cyclobutene fused to a five-membered ring is heated
Chapter 30, Problem 30(choose chapter or problem)
When the compound having a cyclobutene fused to a five-membered ring is heated, (1Z,3Z)-1,3-cycloheptadiene is formed. When the related compound having a cyclobutene fused to an eight-membered ring is heated, however, (1E,3Z)-1,3-cyclodecadiene is formed. Explain these results, and suggest a reason why opening of the eight-membered ring occurs at a lower temperature. 270 C 190 C
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