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The intramolecular reductive coupling of 1,3-diphenyl-1,3-propanediol with titanium trichloride-lithium aluminum hydride. preparation of 1,2-diphenylcyclopropanes.

โœ Scribed by A.L Baumstark; C.J McCloskey; T.J Tolson; G.T Syriopoulos


Publisher
Elsevier Science
Year
1977
Tongue
French
Weight
261 KB
Volume
18
Category
Article
ISSN
0040-4039

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โœฆ Synopsis


Titanium reagents have been shown to be effective in the intermolecular reductive coupling of carbonyls to olefins! Recently, several intramolecular coupling reactions of dicarbonyls


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cis\_ or tmns\_cinnamic acid (I and II, respectively) undergoes rearrangement to l, Z-diphenyl-2-propenol (III) during lithium aluminum hydride reduction. This claim was based on the following experimental results.