HETEROCYCLES

Bogdanović, 2 Mladen Merćep, 3 and Milan Mesić

IO Landek, D Pešić, R Trojko, M Devčić

Index: Landek, Ivana Ozimec; Pesic, Dijana; Trojko, Rudolf; Bogdanovic, Maja Devcic; Mercep, Mladen; Mesic, Milan Heterocycles, 2010 , vol. 81, # 10 p. 2269 - 2290

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Abstract

Abstract–Synthesis of four novel classes of structurally related fused hetero-pentacyclic compounds, naphtho [2, 3-b] thieno [2, 3-d][1] benzothiepins (Ia), naphtho [1, 2-b] thieno [2, 3- d][1] benzothiepins (IIa), naphtho [2, 3-b] thieno-[2, 3-d][1] benzoxepins (Ib, c) and naphtho [1, 2-b] thieno [2, 3-d][1] benzoxepins (IIb, c), is described. The key intermediates were the tetracyclic ketones, benzo [b]-naphtho [f]-fused thiepinones 1a, b and oxepinones 1c-f, ...