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Substituent Dependent Cyclization Reactions of 1,1'‐Bis(alkynyl)ferrocenes with the (C 6 F 5 )BH 2 ⋅ SMe 2 Hydroboration Reagent

Škoch, Karel ; Daniliuc, Constantin G. ; Kehr, Gerald ; Erker, Gerhard

European journal of inorganic chemistry, 2022-01, Vol.2022 (1) [Periódico revisado por pares]

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Título:
Substituent Dependent Cyclization Reactions of 1,1'‐Bis(alkynyl)ferrocenes with the (C 6 F 5 )BH 2 ⋅ SMe 2 Hydroboration Reagent
Autor: Škoch, Karel ; Daniliuc, Constantin G. ; Kehr, Gerald ; Erker, Gerhard
É parte de: European journal of inorganic chemistry, 2022-01, Vol.2022 (1)
Descrição: Abstract The reaction of 1,1'‐bis( tert ‐butylethynyl)ferrocene ( 4 a ) with the (C 6 F 5 )BH 2 ⋅ SMe 2 reagent results in two‐fold hydroboration to give the boron containing [3]ferrocenophane 5 . It reacts with xylylisocyanide by insertion into the boron‐carbon bond to give the ring enlarged boron containing [4]ferrocenophane derivative 8 . 1,1'‐Bis(trimethylsilylethynyl)ferrocene ( 4 b ) undergoes the hydroboration reaction with (C 6 F 5 )BH 2 with inverted regioselectivity. This results in the formation of the 16‐membered dimeric bis‐boron containing macrocyclic bridged bis‐ferrocene system 10 .
Idioma: Inglês

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