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- W2098256511 abstract "Erstmals wurde die Diin-Reaktion mit einem aliphatischen Bis-acetylen (1) untersucht. Die Synthese von 4,4-Dimethyl-1,7-diphenyl-1,6-heptadiin-3,5-dion (1) über 4,4-Dimethyl-1,7- diphenyl-1,6-heptadiin-3,5-diol (3) wird beschrieben. 1 bildet mit Tris(triphenylphosphin)-rhodium(1)-chlorid quantitativ einen Rhodiumkomplex 2. Das Rhodacyclopentadien 2 ergibt bei Umsetzung mit Diphenylacetylen ein Indandion-Derivat 4 und mit Chalkogenen das entsprechende Cyclopenta[c]furan (5), -thiophen (6) bzw. -selenophen (7). Diyne Reaction, XVIII 4,4-Dimethyl-1,7-diphenyl-1,6-heptadiyne-3,5-dione, a New Diyne Component The first example of the use of an aliphatic bis-acetylene 1 in the diyne reaction is reported. The synthesis of 4,4-dimethyl-1,7-diphenyl-1,6-heptadiyne-3,5-dione (1) via 4,4-dimethyl-1,7-diphenyl-1,6-heptadiyne-3,5-diol (3) is described. The reaction of compound 1 with chlorotris-(triphenylphosphine)rhodium(I) affords a rhodium complex 2 in quantitative yield. Rhodacyclopentadiene 2 reacts with diphenylacetylene and with chalkogenes to give derivatives of indandione (4), cyclopenta[c]furan (5), cyclopenta[c]thiophene (6), and cyclopenta[c]selenophene (7), respectively." @default.
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- W2098256511 date "1973-01-01" @default.
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- W2098256511 title "Diin-Reaktion, XVIII. 4,4-Dimethyl-1,7-dighenyl-1,6-heptadiin-3,5-dion als neue Diinkomponente" @default.
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- W2098256511 doi "https://doi.org/10.1002/cber.19731060106" @default.
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