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ChemInform Abstract: Organic Syntheses via Transition Metal Complexes. Part 100. Vinyl- and Divinylcyclopentadienes by Rhodium-Catalyzed Condensation of Alkynes with Cross-Conjugated Amino Metallahexatrienes [= (1-Amino-1,3-butadien-2-yl)carbene Complexes] (M: Cr, W).

✍ Scribed by Rudolf Aumann; Inigo Goettker-Schnetmann; Roland Froehlich; Oliver Meyer

Publisher
John Wiley and Sons
Year
2010
Weight
36 KB
Volume
31
Category
Article
ISSN
0931-7597

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Vinyl- and Divinylcyclopentadienes by Rh
Vinyl- and Divinylcyclopentadienes by Rhodium-Catalyzed Condensation of Alkynes with Cross-Conjugated Amino Metallahexatrienes [= (1-Amino-1,3-butadien-2-yl)carbene Complexes] (M = Cr, W)
✍ Rudolf Aumann; Inigo Göttker-Schnetmann; Roland Fröhlich; Oliver Meyer 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 110 KB 👁 1 views

Table 2 on page 2547 is erroneously identical to Table 1 on the same page. The correct Table 2 is printed below. Table 2. Vinylcyclopentadienes 5 by condensation of alkynes 4 with cross-conjugated tungstahexatrienes 3aϪe [a] Isolated yield in%, in THF/EtOH (5:1), 2.5 mol-% [(COD)RhCl] 2 , after 28Ϫ

Vinyl- and Divinylcyclopentadienes by Rh
Vinyl- and Divinylcyclopentadienes by Rhodium-Catalyzed Condensation of Alkynes with Cross-Conjugated Amino Metallahexatrienes [= (1-Amino-1,3-butadien-2-yl)carbene Complexes] (M = Cr, W)
✍ Rudolf Aumann; Inigo Göttker-Schnetmann; Roland Fröhlich; Oliver Meyer 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 688 KB

We report on the first example of a transition metal-catalyzed cyclohex-1-enyl, isopropenyl, methoxymethyl, 1-trimethylsiloxycyclohex-1-yl) in the presence of catalytic amounts of cyclization reaction of a Fischer carbene complex. It comprises the generation of vinyl-and divinyl cyclopentadienes und