Abstract
AbstractSince deregulation of the tyrosine‐kinase receptor c‐Met is implicated in several human cancers and is an attractive target for small‐molecule‐drug discovery, we report herein the synthesis of 2,3,4,5‐tetrahydro‐8‐[1‐(quinolin‐6‐ylmethyl)‐1H‐1,2,3‐triazolo[4,5‐b]pyrazin‐6‐yl]‐1H‐pyrido[4,3‐b]indoles 4a–4c and 2,3,4,5‐tetrahydro‐8‐[3‐(quinolin‐6‐ylmethyl)‐1,2,4‐triazolo[4,3‐b]pyridazin‐6‐yl]‐1H‐pyrido[4,3‐b]indoles 5a–5c. These indole derivatives demonstrated inhibition of c‐Met kinase activity. Concurrently, five key intermediates were synthesized. These compounds could be prepared in good yields.
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