A synthetic route toward the benzannulated dihydro-1-benzazepines (8) with two oxygenated groups starting with 2-methoxy-5-nitrophenol (2) in high total yield is described. Two key routes are carried by Claisen rearrangement of allyl phenyl ethers (3) and ring-closing metathesis of dienes (7).
A synthetic route toward the benzannulated dihydro-1-benzazepines (8) with two oxygenated groups starting with 2-methoxy-5-nitrophenol (2) in high total yield is described. Two key routes are carried by Claisen rearrangement of allyl phenyl ethers (3) and ring-closing metathesis of dienes (7).
A synthetic route toward the benzannulated dihydro-1-benzazepines (8) with two oxygenated groups starting with 2-methoxy-5-nitrophenol (2) in high total yield is described. Two key routes are carried by Claisen rearrangement of allyl phenyl ethers (3) and ring-closing metathesis of dienes (7).