Dramatic effect of substituents and TMEDA additive on the regioselectivity of directed orthometalation of tetrasubstituted aromatics
✍ Scribed by M. Khaldi; F. Chrétien; Y. Chapleur
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- French
- Weight
- 301 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0040-4039
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
The regioselectivity of electrophilic additions can be controlled by carboxylate or dialkoxymethyl Under kinetic control, enones 1 add soft electrophiles, EX, to give the corresponding \_ adducts 2. --In contrast with 1, their synthetic precursors 3 were found to add EX with the opposite regioselect