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From 6-t-butylfulvene to highly functionalized five-membered rings
1Institute for Organic Chemistry, Technical University Graz, Stremayrgasse 16, A-8010 Graz, Austria. Judith@orgc.tu-graz.ac.at
Chirality
|March 29, 2001
Summary
This study explored asymmetric dihydroxylation of 6-t-Butylfulvene. The resulting fulvene derivatives showed limited reactivity in subsequent stereoselective functionalization reactions.
Area of Science:
- Organic Chemistry
- Asymmetric Synthesis
Background:
- 6-t-Butylfulvene as a starting material for chemical synthesis.
- Exploration of stereoselective functionalization of fulvene derivatives.
Purpose of the Study:
- To investigate the asymmetric dihydroxylation of 6-t-Butylfulvene.
- To evaluate the reactivity of the obtained protected diol in stereoselective reactions.
Main Methods:
- Asymmetric dihydroxylation of 6-t-Butylfulvene.
- Stereoselective functionalization including epoxidation, hydroboration, and aminohydroxylation.
Main Results:
- Successful synthesis of a protected diol from 6-t-Butylfulvene.
- Fulvene derivatives exhibited low reactivity under palladium (0) catalysis and hydroboration conditions.
Conclusions:
- The protected diol derived from 6-t-Butylfulvene is relatively unreactive in common synthetic transformations.
- Further research may be needed to overcome the low reactivity of these fulvene derivatives.