By A.R. Katritzky, A.J. Boulton
(from preface)This quantity includes articles which increase so far older stories within the sequence. growth within the chemistry of the 1,3-oxazines given that they have been coated by way of Eckstein and Urbariski in quantity 2 (1963) is defined through a similar authors. Acheson and Elmore overview reactions of acetylenecarboxylic esters with nitrogen heterocycles, that have been the topic of a lot targeted learn within the years when you consider that Acheson's article in quantity 1. The overview on indolizines (Swinbourne, Hunt, and Klinkert) additionally concentrates at the advances of the final 15 years and up-dates stories released in different places. Anastassiou and Kasmai supply a severe account of the ''тг-excessive heteroannulenes,'' and Fletcher and Siegrist deal authoritatively with the olefin-forming condensations of anils with methyl teams, the ''Anil Synthesis.''
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Extra info for Advances in Heterocyclic Chemistry, Vol. 23
C. Cookson and T. A. 2385 (1968). P. J. Chivus and T. A. Crabb, Tetruhedron 26. 3389 (1970). Allingham, R. C. Cookson. T. A. Crabb, and S. Very, Tefruhedrun 24,4625 (1968). M. K. Kaloustian, N. Dennis, S. Mager, S. A. Evans, F. Alcudia, and E. L. Eliel, J. Am. Chem. 956 (1976). P. J. Hails, A. R. Katritzky, M. Snarey. and D. L. Trepanier, J. Chem. Soc. B, 132; (1971). OT0 R. A. Jones, A. R. Katritzky, A. C. Richards, S. Saba, A. J. L. Trepanier, J. Chem. ,Chem. , 673 (1972). I. G. Ferguson, A. R.
41)]. l~~Mono- substituted malonyl chlorides ‘react with carbodiimides to form imino derivatives (54)les [Eq. (42)l. R PhCHi COCl ” C / \ H COCl 183 N/ 11 +c - PhCHa (42) c1 H. Suzuki, I. Matsuda, K. Itoh, and Y. Ishii, Bull. Chem. Jpn. 47, 2736 (1974). E. Kleinebcrg, and H. Meindl, Monufsh. Chem. 94, 544 (1963); 97, 10 (1966). Ia5 180 H. Disselnkoetter, Ger. Offen. 368 [CA 74, 88003 (1971)]. G. Kleineberg and E. Zieglcr, Monursh. Chem. 94, 502 (1963). z. 26 ECKSTEIN AND T. URBAGSKI [Sec. les It consists in heating 1,3-dioxin-4-0ne with isocyanates [Eq.
F. Tarasova, IN. Akad. Nauk SSSR, Ser. , 2324 (1972). lac Sec. RIVA"IVES 21 N-Hydroxymethyl amides are potential a c y l i m i n e ~ ' ~and ~ - ~react ~~ in a strongly acid medium (usually acetic and sulfuric acids) at ca. lS7-168 Another general method, mentioned in our earlier review,' of formation of 5,6-dihydro-4H-l,3-oxazinesis the reaction of 3-azidopropanol and aromatic aldehydes. Also cyclization of a six-membered chain has been reported. lssJes obtained 5,bdihydro-1,3-oxazine derivative in addition to two other compounds (a five-membered ring and the brominated amide) [Eq.
Advances in Heterocyclic Chemistry, Vol. 23 by A.R. Katritzky, A.J. Boulton