By Alan R. Katritzky (Ed.)
(from preface)In the 1st bankruptcy, D. S. Donald and O. W. Webster summarize a lot primary heterocyclic chemistry facing the guidance of heterocycles from hydrogen cyanide and its derivatives, typically formerly to be had in simple terms within the patent literature. within the moment, the account of the ring-opening of 5-membered heteroaromatic anions via T. L. Gilchrist brings jointly the varied alterations that may prevail the elimination of a proton from a carbon atom in a 5-membered heterocyclic ring.A team of Italian employees from Modena, led through Professor Taddei, has reviewed released paintings at the conformations of acyl teams in heterocyclic compounds, together with either C-acyl and N-acyl derivatives. the 1st fresh evaluation of the basicity and acidity of azoles, overlaying either gas-phase and answer measurements, is gifted by way of a gaggle of Spanish employees (Catalan et aL). H. Weber has summarized the significant fresh growth in oxidative differences of heteroaromatic iminium salts.Finally, a gaggle of Egyptian staff led through Professor Elnagdi has coated the pyrazolopyrimidines, ring platforms receiving expanding curiosity, yet by no means formerly reviewed.The thoughts that have been pointed out within the preface to quantity forty of the sequence were good bought, specifically, the recent procedure used for the references and the preparations for the indexing. As indicated within the preface to quantity forty, the subsequent index quantity may be quantity forty five.
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Additional info for Advances in Heterocyclic Chemistry, Vol. 41
Tejero, Synthesis, 984 (1982). A. McKillop, A. Henderson. and P. S. Ray, Tetrahedron Lett. 23(33), 3357 (1982). 40 83ABC1555 83ABC1561 83JHC1089 83TL2 137 83UPl 84CC183 84CC295 84JAP(K)59139368 84JOC813 8481058 84TL57 D. S. DONALD AND 0. WEBSTER [Refs. A. Nakamura, T. Ataka, H. Takeuchi, and T. Takematsu, Agric. Eiol. Chem. 47(7), 1555(1983). A. Nakamura, T. Ataka, H. Takeuchi, and T. Takematsu, Agric. Eiol. Chem. 47(7), 1561 (1983). G. D. Hartman and R. D. Hartman, J. Heterocycl. Chem. 20, 1089 (1983).
Van Nostrand-Reinhold, Princeton, New Jersey, 1947. K. H. Schaaf and P. E. Spoerri, J. Am. Chem. 71, 2043 (1949). D. W. Woodward, U. S. Pat. 2,534,331 (1950) [ C A 45, 5191 (195I)l. D. W. Woodward, U. S. Pat. 2,534,332 (1950) [ C A 45, 5191 (1951)l. C. Grundmann and A. Kreutzberger, J. Am. Chem. 76,632 (1954). C. Grundmann and A. Kreutzberger, J. Am. Chem. 76,5646 (1954). C. Grundmann and A. Kreutzberger, J. Am. Chem. 44 (1955). C. Grundmann and A. Kreutzberger, J. Am. Chem. 77,6559 (1955). ] 56JOC1037 56LA95 57M11 58RTC842 61JOC1121 61USP2990408 61USP2990409 62JOC548 62JOC551 62MI 1 62MI2 63AG(E)309 63JCS4498 63USP3115497 64CB1599 67MI1 68JOC642 68M11 68TL4529 69M11 70JOC3985 70MI1 70U P 1 71JA4953 72GEP2216925 72JA3242 72JHC1399 72JOC4133 72JOC4136 72UP1 72UP2 72USP3660397 72USP3671649 72USP3701797 73CI(L)852 HETEROCYCLES FROM HCN DERIVATIVES 37 C.
Ct CI N' NH+ NC CN R-fiR, - CI I NC (12) (126) 12601 R = Ph; R ' = H ( 6 3 % ) b: R = Ph; R' = Md35%) C * R, R' = -OCH*CH2CH2-(26%l SCHEME 43 G. REACTION OF DAMN WITH 1,2-ORIENTEDKETONES, ALDEHYDES, ESTERS, ACIDS,ACETALS, KETALS, SULFOXIDES, OXIMIES, AND gem-DIHALIDES 1 . Reaction of DAMN with Glyoxal Condensation of DAMN with glyoxal to give 2,3-dicyanopyrazine (116) has been reported by several different workers (28MI1; 37JCS911; 37JCS1432). More recently, it has been shown that an intermediate formed during the condensation in water is the 2:l adduct (73CI(L)852; 74JHC79) and not a hydrated form of 116 as previously reported (37JCS1432)(Scheme 44).