ChemInform Abstract: Formal Asymmetric Synthesis of (-)-Aphanorphine via Ring-Closing Metathesis Reaction.
β Scribed by Xiaobao Yang; Bin Cheng; Zhong Li; Hongbin Zhai
- Publisher
- John Wiley and Sons
- Year
- 2009
- Weight
- 24 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0931-7597
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Cyclic Sulfonamides via the Ring-Closing Metathesis Reaction. -Ring closing metathesis of various allyl-and vinylsulfonylamides in the presence of Grubb's ruthenium catalyst yields novel cyclic allyl-and vinylsultams. In the case of substrate (IX), the pyrrole (X) is formed instead of the expected