Otera's catalyst
Appearance
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Other names
Octabutyltetrathiocyanatostannoxane
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Identifiers | |
3D model (
JSmol ) |
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ChemSpider | |
PubChem CID
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Properties | |
C36H72N4O2S4Sn4 | |
Molar mass | 1196.08 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Otera's catalyst, named after Japanese chemist Junzo Otera, is an
organostannane compound which has been used as a transesterification catalyst. This isothioscyanate compound is a member of a family of organostannanes reported by Wada and coworkers,[1] and elaborated upon by Otera and coworkers.[2]
Preparation
This class of compounds may be prepared generally by the reaction of an organotin halide and oxide:[3]
- 2 R2SnO + 2 R2SnX2 → (XR2SnOSnR2X)2
In particular, the thiocyanate compound was prepared by the reaction of dibutyltin oxide with dibutyltin diisothiocyanate.[1] Otherwise, this compound is not commercially available.
Applications
This thiocyanate compound can be used as a
In this application, the reaction occurs via the displacement of the bridging isothiocyanate ligands with the incoming alcohol to form an alcohol-bridged active catalyst. Tin acts as the
References
- ^ doi:10.1016/S0022-328X(00)82737-0.)
{{cite journal}}
: CS1 maint: multiple names: authors list (link - ^ .
- ^ .
- PMID 16351124.
- PMID 17592853.