
Tetrahedron Letters p. 4289 - 4292 (1996)
Update date:2022-07-29
Topics:
Macor, John E.
Ogilvie, Ron J.
Wythes, Martin J.
Utilizing a 2,6-dibromoaniline (6b) in place of the original monobromo aniline in the indole-forming intramolecular Heck reaction allows for a greater than two-fold improvement in the overall yield of CP-122,288. The second bromine is carried through unmolested, forming a 7-bromoindole analog of CP-122,288 (1b). This result might represent a novel approach to 7- substituted indole derivatives.
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