By Alan R. Katritzky
(from preface)Volume forty five of Advances in Heterocyclic Chemistry comprises 5 contributions, all of which holiday new flooring for this sequence. within the first article, Fujita and Nagao describe using heterocycles for the induction of chirality. Thiscontribution represents an instance of ways within which our topic is making itself more and more felt during the entire box of chemistry. the second one article, by way of Tisler, covers heterocyclic quinones, together with the various sessions within which a heterocycle is fused to a 1,2- or 1,4-benzoquinone ring.In the 3rd article, Porter describes the chemistry of thiophenium salts and ylids, to which he has contributed widely. The chemistry of 1,4-diazocines is gifted via Perlmutter; this text follows an past evaluation by way of a similar writer on azocines in quantity 31 of Advances in Heterocyclic Chemistry. the ultimate article of this quantity, and the second one contribution from Japan, is by means of Tsuge and Kanemasa and bargains with fresh advances in azomethine ylide chemistry.The cumulative index updates, as introduced within the preface to quantity forty, will conceal Volumes 41-45 and should look in quantity forty six. this can hinder a hold up within the booklet of quantity forty five.
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C. S. Chem. , 269 (1987). Y. Nagao, T. Kumagai, T. Abe, M. Ochiai, T. Taga, K. Machida, and Y. Inoue, J. C. S. Chem. , 602 (1987). 83TL2287 83TL2291 83TL3493 83UP1 84AG 140 84AG(E)67 84AG(E)142 84CPB2687 84CPB2886 84H29 84JCS(P1)183 84JCS(P1)2439 84JOC 1682 84MI I 84T1215 84TL 1067 84TL2557 85CC1418 85CC1419 85JCS(P 1)2361 85JOC4072 86JA4673 86JOC2391 86JOC4737 86UPI 87CC267 87CC269 87CC602 36 87CL1861 87JOC2201 87NKK1447 87UP1 88JA289 EIlCHl FUJITA AND YOSHIMITSU NAGAO [Refs. Y. Nagao, T. Nakamura, M.
S. Takano, N. Ogawa, and K. Ogasawara, Heterocycles 16,915 (1981). D. A. Evans, J. Bartroli, and T. L. Shih, J. Am. Chem. Soc. 103,2127 (1981). 3. Chen, Y. Fujimoto, and C. J. Sih, J. Am. Chem. Soc. 103, 3580(1981). R. E. Ireland and J. P. Daub, J . Org. Chem. 46,479 (1981). P. A. Aristoff, J. Org. Chem. 46, 1954 (1981). D. A. Evans, J. M. Takacs, L. R. McGee, M. D. Ennis, D. J. Mathre, and J. Bartroli, Pure Appl. Chem. 53, 1109 (1981). Konishi, M. Kawamura, Y. Arai, and M. Hayashi, Tetrahedron 37,4391 (1981).
Mitomycin C is a significant resource in cancer chemotherapy (79MI2) and some derivatives of mitomycin C lacking the aziridine ring have been shown to inhibit cell division in bacteria (72AAC73). Structure-activity relationships of the mitomycins, some synthetic analogs, and indoloquinones were investigated (74JMC729). The crystal structure of mitomycin C was determined by X-ray diffraction (79BCJ2334). From the structure of its p-bromobenzoyl derivative, the revised absolute configuration of mitomycin is now as shown in 35 (83JA7199).