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Ahluwalia, Vinod K.; Garg, Vijay K.; Sharma, Mukesh K., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1993, vol. 32, # 9, p. 960 - 962
作者:Ahluwalia, Vinod K.、Garg, Vijay K.、Sharma, Mukesh K.、Sharma, R.
DOI:——
日期:——
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Stanovnik, Branko; Svete, Jurij; Tisler, Miha, Journal of Heterocyclic Chemistry, 1989, vol. 26, p. 1273 - 1276
作者:Stanovnik, Branko、Svete, Jurij、Tisler, Miha
DOI:——
日期:——
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STANOVNIK, BRANKO;SVETE, JURIJ;TISLER, MIHA, J. HETEROCYCL. CHEM., 26,(1989) N, C. 1273-1275
作者:STANOVNIK, BRANKO、SVETE, JURIJ、TISLER, MIHA
DOI:——
日期:——
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STANOVNIK, B.;KMECL, P.;ORNIK, B.;SVETE, T.;TISLER, M.;GOLIC, L.;LEBAN, I+, 8TH INT. IUPAC CONF., ORG. SYNTH., HELSINKI, 23-27 JULY, 1990: ABSTR., HE+
作者:STANOVNIK, B.、KMECL, P.、ORNIK, B.、SVETE, T.、TISLER, M.、GOLIC, L.、LEBAN, I+
DOI:——
日期:——
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Amino Acids in Heterocyclic Synthesis: Novel Synthesis of Pyrano[2,3‐<i>c</i>]pyrazoles, Pyrazolo[3,4‐<i>b</i>]pyridine, and Pyrido[1,2‐<i>a</i>]benzimidazoles
作者:Galal H. Elgemeie、Ahmed H. Elghandour、Ahmed M. Hussein
DOI:10.1081/scc-200030553
日期:2004.1.1
hippuric acid derivatives 3 to afford the novel pyrano[2,3‐c]pyrazole derivatives 4. The latter undergoes ring cleavage by reaction with acetic acid‐ammonium acetate and was transformed into the corresponding pyrazolo[3,4‐b]pyridine derivatives 6. The reaction of 2‐cyanomethyl‐benzimidazole 7 with triethylorthoformate and hippuric acid derivatives 3 to give the pyrido[1,2‐a]‐benzimidazoles 10 has also
摘要 二唑酮 1a-c 与原甲酸三乙酯和马尿酸衍生物 3 反应得到新型吡并[2,3-c]吡唑衍生物 4。后者通过与乙酸-乙酸铵反应发生开环并转化为相应的吡唑并[3,4-b]吡啶衍生物6. 2-氰甲基-苯并咪唑7与原甲酸三乙酯和马尿酸衍生物3反应生成吡啶并[1,2-a]-苯并咪唑10也已被讨论。