The recent publication of Miller and Hedaya' on the photochemistry of 7,8dicarbomethoxytricyclo[4.2.2.0 2J5]deca-3,7,q-triene (1) leads us to report our rather different results. They found that 1 gave dimethyl phthalate, syn-tri-cycloC4.2.0.0 2J5]octa-3,7-diene (2), and cyclooctatetraene upon photo
โฆ LIBER โฆ
Cycloaddition of dimethyl acetylenedicarboxylate to indoles. Isolation of a [2 + 2] adduct
โ Scribed by J. Augusto; R. Rodriguez; L. I. Verardo
- Book ID
- 112127222
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1983
- Tongue
- English
- Weight
- 181 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0022-152X
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In the presence of 2.5 mol % of Pd2(dba) 3 and 5 tool % ofPPh 3, nearly eqcimolar mnounts of dimathyl nona-2,7-diyne-1,9-dioate derivatives and dimethy! acetylenedicarboxylate (DMAD) were reacted in toluene at 110 "C to give indan, phthalin, a~d isoindoline derivatives selectively in moderate to goo