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25.1.12.2.3 Variation 3: Using Stoichiometric Amounts of Tetracarbonylhydridoferrate Salts

DOI: 10.1055/sos-SD-025-00209

Hashmi, A. S. K.Science of Synthesis, (200725328.

Potassium tetracarbonylhydridoferrate (42),[‌116‌] which is readily prepared from pentacarbonyliron(0) and ethanolic potassium hydroxide,[‌117‌] reacts in stoichiometric amounts with alkyl iodides to form alkyliron intermediates. These intermediates eliminate an aldehyde 43 and regenerate pentacarbonyliron(0) with insertion of carbon monoxide (Scheme 11).[‌118‌] Alkyl bromides can also be used, and an ion-exchange resin-supported form of tetracarbonylhydridoferrate gives excellent results.[‌119‌]

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