By Alois Fuerstner
The great development in olefin metathesis accomplished over the past decade can rarely be over priced. a result of improvement of a brand new iteration of good outlined and high-performance organometallic catalysts, this response is quickly evolving into some of the most flexible instruments for complicated natural chemistry, typical product synthesis, effective chemical creation and polymer sciences. Written by means of a number of the best specialists during this box, this monograph intends to familiarize the reader with the main fascinating advancements and frontiers during this flourishing box of chemistry examine.
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Extra info for Alkene Metathesis in Organic Synthesis (Topics in Organometallic Chemistry) (Vol 1)
Although RCM (as it is now known) had not been used extensively in organic synthesis, possibly in view of the fact that only classical catalysts could be employed , examples such as the synthesis of 3-pentenecarboxylic acid esters using WCl6 activated with silanes still appear today . However, low yields, irreproducibility, and intolerance of functionalities tend to be common when classical catalysts are employed. With the advent of well-deﬁned catalysts the reproducibility and yields have improved markedly and functionalities are now tolerated to an ever increasing extent.
66 References . . . . . . . . . . . . . . . . . 70 1 Introduction The metathesis activity of various simple ruthenium compounds has already been discerned during early studies on the ring opening metathesis polymerization (ROMP) of norbornene and other cycloalkene substrates [1, 2]. A real breakthrough, however, was achieved when Grubbs et al. reported in the early 1990s that ruthenium-carbene complexes of the general type 1 are highly active single component (pre)catalysts for any kind of oleﬁn metathesis reaction (Fig.
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