Tetrahedron Letters p. 7071 - 7074 (2003)
Update date:2022-08-03
Topics:
Selvakumar
Khera, Manoj Kumar
Reddy, B. Yadi
Srinivas
Azhagan, A. Malar
Iqbal, Javed
A direct synthesis of naturally occurring 9-methoxycarbazole-3-carbaldehyde 1, based on our methodology for the synthesis of 1-methoxyindoles, is reported. A novel benzannulation strategy was employed using ring closing metathesis as the key step in this total synthesis. The synthesis of the natural product 1 has been achieved in seven steps in 14% overall yield from commercial materials and in only four steps from a methoxyindole compound obtained using the new methodology.
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