Tanabe, 1989 - Google Patents
The selective Claisen and Dieckmann ester condensations promoted by dichlorobis (trifluoromethanesulfonato) titanium (IV).Tanabe, 1989
- Document ID
- 3732786880664328697
- Author
- Tanabe Y
- Publication year
- Publication venue
- Bulletin of the Chemical Society of Japan
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Snippet
Inter and intramolecular condensations (the Claisen and the Dieckmann condensations) between ester functions have been performed by the combined use of dichlorobis ( trifluoromethanesulfonato) titanium (IV)(= dichlorobis (triflato) titanium (IV)) and tertiary …
- 150000002148 esters 0 title abstract description 41
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- C07D213/06—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
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