| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5284360 | Tetrahedron Letters | 2008 | 4 Pages |
Abstract
4,5,6,7-Tetrahydroindoles undergo a rapid, facile (rt, 60Â min) ethynylation with ethyl 3-halo-2-propynoates upon grinding with solid K2CO3 (without solvent) at C-2 of the tetrahydroindole ring to afford ethyl 3-(4,5,6,7-tetrahydroindol-2-yl)-2-propynoates in 62-90% yield.
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Authors
Boris A. Trofimov, Lyubov' N. Sobenina, Zinaida V. Stepanova, Ol'ga V. Petrova, Igor' A. Ushakov, Al'bina I. Mikhaleva,