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ChemInform Abstract: Diastereoselective Synthesis of Bis(3,5)pyrazolophanes by Sequential Inter- and Intramolecular Cycloadditions of Homochiral Nitrilimines.

✍ Scribed by Gianluigi Broggini; Giorgio Molteni; Tullio Pilati

Publisher
John Wiley and Sons
Year
2000
Weight
36 KB
Volume
31
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Synthesis of Bis-(3
ChemInform Abstract: Synthesis of Bis-(3,5)pyrazolophanes by Sequential Intermolecularβ€”Intramolecular Nitrilimine Cycloadditions.
✍ G. BROGGINI; L. GARANTI; G. MOLTENI; G. ZECCHI πŸ“‚ Article πŸ“… 2010 πŸ› John Wiley and Sons βš– 33 KB πŸ‘ 1 views

## Synthesis of 5) pyrazolophanes by Sequential Intermolecular-Intramolecular Nitrilimine Cycloadditions. -Nitrilimines generated in situ from hydrazonyl chlorides such as (I) and (IV) undergo cyclization to mono-and bispyrazolophanes which are of interest in supramolecular chemistry.