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ChemInform Abstract: Second Generation Doetz Benzannulation Reactions in Organic Synthesis.

✍ Scribed by J. E. PAINTER; P. QUAYLE; P. PATEL

Book ID
112027596
Publisher
John Wiley and Sons
Year
2010
Weight
29 KB
Volume
27
Category
Article
ISSN
0931-7597

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Second generation benzannulation reactio
Second generation benzannulation reactions: Sugar-derived Fischer chlorocarbene complexes in organic synthesis
✍ Michael.R. Hallett; James E. Painter; Peter Quayle; Dean Ricketts; Prakash Patel πŸ“‚ Article πŸ“… 1998 πŸ› Elsevier Science 🌐 French βš– 122 KB

The facile melallation of 2-chloroglucal derivatives 8 and ! ! affords ready access to the corresponding Fischer catbene complexes 1 0 and 1 3. Carbene complexes i 0 and 13 undergo ben,~anulation reactions with acetylenes to previde functionalised benzopyrans in moderate overall yields.