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“Head-to-head” dimerization and dehydrodimerization of vinyl ketones catalyzed by modified rhodium(I) complexes

✍ Scribed by I.P. Kovalev; Yu.N. Kolmogorov; Yu.A. Strelenko; A.V. Ignatenko; M.G. Vinogradov; G.I. Nikishin


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
531 KB
Volume
420
Category
Article
ISSN
0022-328X

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Chemo- and Regioselective Intermolecular
✍ Ken Tanaka; Kazuki Toyoda; Azusa Wada; Kaori Shirasaka; Masao Hirano 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 195 KB 👁 2 views

## Abstract A highly regioselective intermolecular cyclotrimerization of terminal alkynes has been developed based on the use of the cationic rhodium(I)/DTBM‐Segphos complex. This method can be applied to a variety of terminal alkynes to provide 1,2,4‐trisubstituted benzenes in high yield and with