By A.R. Katritzky, A.J. Boulton (Eds.)
(from preface)The current quantity incorporates a wide variety of heterocyclic chemistry. Syntheses of heterocycles from thioureas are reviewed by way of T. S. Griffin, T. S. Woods, and I). L. Klayman, whereas eight. W. Schneller describes the chemistry of benzothiins and their derivatives (thiochromans. thiochromones, and thio-chromanones). advancements in chrom-3-ene chemistry are reviewed through L. Merlini. F. D. Popp contributes a bankruptcy at the isatins. A dialogue of theoretical features of the tautomerism of pyrimidines, through J. S. Kwiatkowski and B. Pullman, follows up a corresponding past contribution (Vol. thirteen) on tautomeric purines. within the ultimate bankruptcy P. and D. Cagniant describe the average prevalence ami synthesis of the bcnzofurans.
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Extra resources for Advances in Heterocyclic Chemistry, Vol. 18
W. Scott a n d M. A. McCall, J . Amer. Chem. Soc. 67, 1767 (1945). 328 Sec. C] THE CHEMISTRY O F ISATIN 31 exhibit significant antiviral that several of these thiosemicarbazon~~s a ~ t i v i t y . 370-375 A. B. Tonwhin, V. S. Dmitriilrha, T. N. Timofeeva, antl P. S. Pelkis, Zh. Org. Khim. 9,1988 (1973). 344 A . B. Tomchin, I. S. Toffe, V. V. Tretyakova, Y. V. Lepp, and A. I. Koltsov, Zh. Org. Kham. 9, 1537 (1973). 345 J . Aasen and G. Haiikcness, Actu Pathol MLcrobaol. , Sect. B 80, 246 (1972);Chrm Abstr 77,37063 (1072).
104, 78 (1971). B. Eistcrt and G. Rorggrcfe,Justus Ltebigs A n n . Chem. 718,142 (1968). B. Eistert arid H Selzcr, Chem. B e y . 96, 1234 (1963). M. Regitz, W. Disteltlorf, V. Ecltstpin, and B. , 3979 (1972). 508 510 l3. Eistert and H. Sclzcr, Z . Nuturforsch. B 17, 202 (1962). A. Schonberg antl I<. Janghans, Ber. 96, 3328 (1963). 48 FRANK D . POPP [Sec. B CHPh,, R" = H), which was oxidized by sodium dichromate-acetic acid t o N - (diphenylmethy1)isatin. O B. REACTIONS LEADING TO ISATYLIDENE DERIVATIVES Compounds of the type 171 can generally be easily dehydrated and many reactions of isatins lead directly t o isatylidene derivatives.
S. Pelkis, Zh. Org. Khim. 9,1988 (1973). 344 A . B. Tomchin, I. S. Toffe, V. V. Tretyakova, Y. V. Lepp, and A. I. Koltsov, Zh. Org. Kham. 9, 1537 (1973). 345 J . Aasen and G. Haiikcness, Actu Pathol MLcrobaol. , Sect. B 80, 246 (1972);Chrm Abstr 77,37063 (1072). 346 M. Alcxantlrewii, L. Handruche, C. Murgcscii, and M. Duca, Rev. R o u m . Irlframicrobiol 6, 219 (1969); Chern. Abstr. 73, 11669 (1970). 347 M. Aleuandrtwu, C. Murgescu, L. Hantfrache, L. lonescii, and M. Duca, S t u d . Ceicet. InfrnmLcrobroZ.
Advances in Heterocyclic Chemistry, Vol. 18 by A.R. Katritzky, A.J. Boulton (Eds.)