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You are using Science Of Synthesis as a Guest.
Please login or sign up for a free trial to access the full content. Method 14: Decarbonylation of Dialdehydes

DOI: 10.1055/sos-SD-045-00322

Nishinaga, T.Science of Synthesis, (201045423.

7b-Methyl-7bH-cyclopent[c,d]indene (65) can be synthesized in high yield (88%) by the decarbonylation of dialdehyde 64 using 2 equivalents of chlorotris(triphenylphosphine)rhodium(I) (Wilkinsons catalyst) in refluxing benzene (Scheme 28).[‌87‌,‌88‌]

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