ChemInform Abstract: Synthesis of Allenic (α,α-Difluoromethylene)phosphonates from Propargylic Tosylates and Acetates.
✍ Scribed by Tsutomu Yokomatsu; Ai Ichimura; Junya Kato; Shiroshi Shibuya
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 33 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0931-7597
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## Abstract The products are formed with moderate to good (E) selectivity.
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Synthesis of α-Fluoro-β-keto Phosphonates from α-Fluoro Phosphonoacetic Acid. -A new method for the preparation of α-fluoro-β-keto phosphonates (III) (8 examples), valuable intermediates in the organic synthesis, based on the acylation of α-fluoro phosphonoacetic acid (I) with carboxylic acid chlor