7. Compound (2E4Z,6Z,8E)-2,4,6,8-decatetraene has been cyclized to give 7,8-dimethyl- 1,3, cyclooctatriene. Predict the manner of ring-closure-conrotatory or disrotatory-for both thermal ar photochemical reactions, and predict the stereochemistry of the product in each case. Show the outermo molecular orbital cyclizaion.

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter14: Conjugated Compounds And Ultraviolet Spectroscopy
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7. Compound (2E,4Z,6Z,8E)-2,4,6,8-decatetraene has been cyclized to give 7,8-dimethyl- 1,3,5
cyclooctatriene. Predict the manner of ring-closure-conrotatory or disrotatory-for both thermal and
photochemical reactions, and predict the stereochemistry of the product in each case. Show the outermos
molecular orbital cyclizaion.
Transcribed Image Text:7. Compound (2E,4Z,6Z,8E)-2,4,6,8-decatetraene has been cyclized to give 7,8-dimethyl- 1,3,5 cyclooctatriene. Predict the manner of ring-closure-conrotatory or disrotatory-for both thermal and photochemical reactions, and predict the stereochemistry of the product in each case. Show the outermos molecular orbital cyclizaion.
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