By Alan R. Katritzky
Chapters of this quantity take care of heavily similar tricyclic heteromatic platforms. The final entire evaluate of the dibenzofurans seemed in 1951; the topic is now up-to-date via Sargent and Stransky. Carbazoles have additionally no longer been comprehensively reviewed lately; this has been performed during this quantity by means of Joule.The chemistry of 4-membered jewelry containing one sulfur atom — the thietanes and their derivatives — is roofed through Ried and Heinz, who replace previous surveys that seemed approximately twenty years ago.The bipyridines, of substantial business and theoretical curiosity, are comprehensively reviewed for the 1st time via Summers.Two chapters, facing 2H- and 4H- imidazoles via Sammes and the sequence editor, proceed and finish the sequence on nonaromatic azoles, which incorporated contributions on 2H- and 3H- pyrroles (in quantity 33) and on 3Н- and 4H- pyrazoles (in quantity 34).Most of the chapters during this quantity conceal the literature up via 1982.
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Additional info for Advances in Heterocyclic Chemistry, Vol. 35
J. N. Chatterjea. J . lndiun Chen. Sor. 34, 306 (1957). J. N. Chatterjea. J . Indian Ckern. Soc. 32. 263 (1955). P. M. , 1771 (1963). 34 MELVYN Me0 v. SARGENT AND PETER 0. STRANSKY & \ / \ / M e d C0,Me Me0 \ [Sec. R COCH,R CH ,CO, Me CH,CO,Me - \ OH- 1 Me (116) SCHEME 28 (117) R = H, Me Sec. C] 35 DIBENZOFURANS at room temperature, thus affording the products 116. This behavior is no doubt due to the inductive effect of the ring oxygen because the isomeric 2-(2'-acyl-3-benzofuranyl)acetic esters cannot be similarly alkylated.
Soc. London, Ser. A 143A, 223 (1934) [CA 28, 1338 (1934)]. 46 MELVYN v. STRANSKY [Sec. 151 M e 1 w e 1 1 0 I 0 *'Wie OAc + OAc \ - M e \ / OAc RZ (179) R' = H, R2 = OAC (180) R' = OAC,RZ = H M e 0 0 0Ac SCHEME 46 SCHEME 41 '41 15' A. J. Shand and R. H. Thomson, Tetrahedron 19, 1919 (1963). I. S. Joffe and A. F. Sukhina, J . Gen. Chem. U S S R (Engl. ) 23, 1433 (1953). T. Posternak, W . Alcalay, and R. Huguenin, Helo. Chim. Acta 39, 1556 (1956). Sec. D] DIBENZOFURANS 47 1,4-Benzoquinone and its alkyl-substituted derivatives react with resorcinol under mild acidic conditions to afford dibenzofurans in variable yield.
Dtsch. Chum. Ces. 50, 596 (1917). 98 S. Yamashiro, Bull. Chem. Soc. Jpn. 17, 10 (1942) [CA 41, 4487 (1947)l. ” G. Lloyd, A. Robertson, G. B. Sankey, and W. B. Whalley, J . Chem. , 2163 (1955) loo A. -A. Nilsson, and K. Andersson, Chemosphere 9, 175 (1980). lo‘ A. M. Gardner, V. L. -Y. T. Chen, and E. P. Mazzola, J . Agrlc. Food Chem. 27, 116(1979). y3 94 ’’ Sec. B] HO M OMeMeO e Me0 Br / \ - Br 25 DIBENZOFURANS w OHHO . ’02 lo’ R. Huisgen, G . Binsch, and H. Konig, Cheni. Ber. 97, 2884 (1964). 26 MELVYN v.
Advances in Heterocyclic Chemistry, Vol. 35 by Alan R. Katritzky