Synthesis 2020; 52(21): 3153-3161
DOI: 10.1055/s-0040-1707175
psp
© Georg Thieme Verlag Stuttgart · New York

Remote Deprotometalation-Iodolysis of N,N-Diisopropyl-2-trimethylsilylferrocenecarboxamide: A New Route Toward 1,1′-Disubstituted Ferrocenes

Lingaswamy Kadari
a   Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226, 35000 Rennes, France   eMail: william.erb@univ-rennes1.fr
b   Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India   eMail: prkgenius@iict.res.in
,
Thierry Roisnel
a   Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226, 35000 Rennes, France   eMail: william.erb@univ-rennes1.fr
,
William Erb
a   Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226, 35000 Rennes, France   eMail: william.erb@univ-rennes1.fr
,
b   Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India   eMail: prkgenius@iict.res.in
,
Florence Mongin
a   Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226, 35000 Rennes, France   eMail: william.erb@univ-rennes1.fr
› Institutsangaben
This work was supported by the Université de Rennes 1 and CNRS.
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Publikationsverlauf

Received: 19. Mai 2020

Accepted after revision: 08. Juni 2020

Publikationsdatum:
01. Juli 2020 (online)


Abstract

The 1,1′-disubstitution is currently the most frequent substitution pattern encountered in the ferrocene series. Here an original access based on the remote deprotometalation of N,N-diisopropyl-2-trimethylsilylferrocenecarboxamide is reported. The key intermediate, 1′-iodo-N,N-diisopropylferrocenecarboxamide, was prepared in multiple grams and was further functionalized toward fifteen 1′-substituted iodoferrocenes.

Supporting Information