Structure of the product formed by the addition of 4-phenyl-3H-1,2,4-triazole-3,5(4H)-dione to dimethyl 7H-benzocycloheptene-7,7-dicarboxylate
✍ Scribed by Büyükgüngör, O. ;Atasoy, B. ;Balcı, M.
- Book ID
- 114504222
- Publisher
- International Union of Crystallography
- Year
- 1988
- Tongue
- English
- Weight
- 338 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0108-2701
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Cycloaddition of PTAD to 7-methylenenorbornene (1 a) afforded the rearrangement urazole 2a, but not with 7-(pheny1methylene)norbornene (1 b) and 7-(chloromethylene)norbornene (lc). Instead, besides the [2 + 23 cycloadducts 3b and 3c, respectively, l b gave the double [4 + 23 adduct 4b and l c the no