Upon irradiation, 9-anthrylmethyl phosphite (2) undergoes the photo-Arbuzov rearrangement to give the corresponding phosphonate 3. Prolonged irradiation led to the clean formation of the centrosymmetric, head to tail, [4 โซืโฌ 4] photocycloaddition product 4 as indicated by X-ray crystallographic anal
โฆ LIBER โฆ
Phosphonic acids and esters XI a photo-induced arbuzov rearrangement of trialkyl phosphites
โ Scribed by R.B. LaCount; C.E. Griffin
- Publisher
- Elsevier Science
- Year
- 1965
- Tongue
- French
- Weight
- 192 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0040-4039
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โฆ Synopsis
The cleavage of carbon-phosphorus bonds in triarylphospbines 233 and arylphosphonium salts 4 under photolytic conditions has been observed recently. For the trivalent compounds, photolysis in the presence of alco-
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Photo-Arbuzov Rearrangement of Dimethyl 9-Anthrylmethyl Phosphite and the Photodimerization of the Corresponding Phosphonate. -Upon irradiation, 9-anthrylmethyl phosphite (I) efficiently undergoes the photo-Arbuzov rearrangement to give the corresponding phosphonate (II). Further irradiation of (II