New PDF release: Advances in Heterocyclic Chemistry, Vol. 27

By A.J.Boulton A.R. Katritzky

ISBN-10: 0120206277

ISBN-13: 9780120206278

(from preface)Volume 27 includes 4 contributions. Black and Doyle speak about '' l-Azabicyclo[3.1.0]hexanes and Analogs with extra Heteroatom Substitution.'' half II of the remedy of ''Heteroaromatic Radicals'' via Hanson offers with radicals with staff VI heteroatoms and completes the evaluate of the heteroaromatic loose radicals started in quantity 25. In ''The 1,2- and 1,3-Dithiolium Ions.'' Lozac'h and Stavaux elevate to this point the evaluate through Prinzbach and Futterer which seemed in 1966 in quantity 7 of this booklet. eventually, Grimmett has up to date his personal evaluation of im-idazole chemistry which seemed in 1970 in quantity 12.

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5 . A Radical Containing a Tetrathiane Ring . . . . . . . . . . . . . 32 33 33 33 35 41 45 46 46 49 50 53 54 64 67 67 67 68 68 68 69 69 71 75 . 80 . . . . . 84 86 90 94 94 96 96 99 106 31 Copyright @ 1980 by Academic Press. Inc . All rights of reproduction in any form reserved. ISBN 0-12-020627-7 32 IV. V. VI . VII . PETER HANSON D . Radicals Containing Seven-Membered and Larger Heterocycles . . 1. Radicals from DibenzoCb,flthiepin . . . . . . 2. 6-Dithiecin Cation-Radical .

Radicals Containing a Dioxin Ring . . . . . . C . Radicals Containing Seven- and Eight-Membered Heterocycles 1. Radicals Containing an Oxepin Ring . . . . . . 2. Radicals Containing an Oxocin Ring . . . . . . . I11. Radicals from Sulfur Heterocycles . . . . . . . . A . Radicals Containing a Four-Membered Heterocycle . . . . 1,2-Dithiete Cation-Radicals . . . . . . . . B . Radicals Containing a Five-Membered Heterocycle . . . . . 1 . Cation-Radicals Containing a Thiophene Ring .

Chem. Commun. 25, 1952 (1960). 164 M. Vajda and A. Gelleri, Ann. Univ. Sci. Budap. Roland0 Eotvos Nominatae, Sect. Chim. 3, 107 (1961) [ C A 57, 8347 (1962)l. 16' M. Vajda and F. Ruff, Abh. Dtsch. Akad. Wiss. Berlin, Kl. , Geol. , 112 (1964) [ C A 62, 5175 (1965)l. Y. Nagata, and K. Kurosawa, Bull. Chem. Soc. Jpn. 50, 3298 (1977). 158 50 PETER HANSON [Sec. B 3. Polycyclic Pyranyl Radicals a. Xanthenyl (Dibenzopyranyl) Radicals. Xanthenyl radical (38)itself is obtained in equilibrium concentrations when 9,9'-bixanthenyl is thermolyzed in suitable inert solvents.

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Advances in Heterocyclic Chemistry, Vol. 27 by A.J.Boulton A.R. Katritzky


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