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Structure and Reactivity of the Orthocarbonic and Orthosilicic Acid Esters of Pyrocatechol

✍ Scribed by Dr. Heinrich Meyer; Dr. Günter Nagorsen

Publisher
John Wiley and Sons
Year
1979
Tongue
English
Weight
325 KB
Volume
18
Category
Article
ISSN
0044-8249

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✦ Synopsis

I ) reacts with acetic acid and ethylenebis(dipheny1phosphane) (diphos) to give C2H4Fe(diphos)2[51 according to:

In the presence of stoichiometric amounts of alcohol or ZnCl,, (1) exhibits the well-known activity of iron(o) catalysts'"' towards butadiene. At -78 "C, (1) reacts with carbon monoxide (1 atm) with uptake of four equivalents of C O and liberation of four equivalents of C4H4. Reaction of ( I ) with 1,5-cyclooctadiene (COD) at 40-70 "C affords (COD)2FeLi2 [isolated as crystalline (2a) or (Zb)],

[ I ] K.

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