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214. Phthalocyanines. Part III. Preliminary experiments on the preparation of phthalocyanines from phthalonitrile

✍ Scribed by Linstead, R. P. ;Lowe, A. R.


Book ID
115507757
Publisher
The Royal Society of Chemistry
Year
1934
Weight
659 KB
Category
Article
ISSN
0368-1769

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Experiments on the total synthesis of Ly
✍ Rudolf O. Duthaler; Veronica Scherrer 📂 Article 📅 1984 🏛 John Wiley and Sons 🌐 German ⚖ 635 KB

## Abstract 1,2,3,4‐Tetrahydrodibenzofuran‐1‐ones were obtained by __Michael__ addition of 1,3‐cyclohexadione (**2**) to __o__‐benzoquinone (**3**) and to __p__‐benzoquinones **8** and **11** (__Scheme 2__). In addition to the expected 7,8‐disubstituted adduct **14**, the ZnCl~2~‐catalyzed reaction