Novel Ring Enlargement of Lactams via Quinazolinone Annelation. A Facile Route to Benzoannelated Large-Membered Cyclic 1,5-Diamines
A novel route to benzoannelated large-membered cyclic 1,5-diamines from lactams is described.Thus, n-membered lactames 1 were N-acylated by o-azidobenzoyl chloride 5 to afford the corresponding imides 4.These were treated with tributylphosphine and underw
Takeuchi, Hisato,Matsushita, Yuji,Eguchi, Shoji
p. 1535 - 1537
(2007/10/02)
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