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Synthesis 2002(10): 1311-1343
DOI: 10.1055/s-2002-33114
DOI: 10.1055/s-2002-33114
REVIEW
© Georg Thieme Verlag Stuttgart · New YorkSynthesis of N,N′-Linked Bisazaheterocycles
Weitere Informationen
Received
7 January 2002
Publikationsdatum:
01. August 2002 (online)
Publikationsverlauf
Publikationsdatum:
01. August 2002 (online)

Abstract
Bisazaheterocycles are excellent precursors of N-centered free radicals with immense pharmacological importance. The synthesis of various N,N′-linked bisazaheterocycles and their importance is reviewed for the first time.
1 Introduction
2 Symmetrical Bisazaheterocycles
2.1 Bisaziranes
2.2 Bisazetanes
2.3 Bisazoles
2.4 Bisazines
2.5 Bisazepines
3 Unsymmetrical Bisazaheterocycles
3.1 Aziranylazoles
3.2 Aziranylazines
3.3 Azetanylazoles
3.4 Azetanylazines
3.5 Azolylazoles
3.6 Azolylazines
3.7 Azolylazepines
3.8 Azinylazines
3.9 Azinylazepines
4 Conclusion
Key words
bisazaheterocycles - nitrogen free radicals - bioactive molecules - condensation - insertion
- 1
Mounir AK.Mahmound ED. Alexandria J. Pharm. Sci. 1989, 3: 190 - 2
Richard CE,Larry D, andGordon EO. inventors; Eur. Pat. Appl. 409 400. - 3a
Komatsu M.Yamamoto S.Ohshiro Y.Agawa T. Heterocycles 1985, 23: 677 - 3b
Alcaide B.Miranda M.Perez-Castells J.Polanco C.Sierra MA. J. Org. Chem. 1994, 59: 8003 - 4
Hoda AA.Sayed AS.Momen AEIK.Ahmed SAY. Phosporous, Sulfur Silicon Relat. Elem. 1992, 72: 237 - 5
Srivastava VK.Singh KS.Sharma K.Singh SN.Fatima N.Chaterjee RK. Indian J. Chem., Sect. B 1991, 30: 859 - 6
Angerbauer R,Huebsch W,Fey P,Bischoff H,Petzinna D,Schmidt D, andThomas G. inventors; Eur. Pat. App. 339 342. ; Chem. Abstr. 1990, 113, 115074w - 7
Srivastava VK.Singh KS.Gulati A.Shanker K. Indian J. Chem., Sect. B 1987, 26: 652 - 8a
Wang JH. Science 1970, 25: 167 - 8b
Wang JH. Acc. Chem. Res. 1970, 3: 90 - 8c
Tu S.Wang JH. Biochemistry 1970, 9: 21505 - 9
Hoesch L.Eggers N.Dreiding AS. Helv. Chim. Acta 1978, 61: 795 - 10a
Kriste K.Luettke N.Rademacher P. Angew. Chem., Int. Ed. Engl. 1978, 90: 726 - 10b
Ogawa K.Nomura Y.Takeuchi Y.Tomoda S. J. Chem. Soc., Perkin Trans. 1 1982, 3031 - 11a
Barlow MG.Suliman NNE.Tipping AE. J. Chem. Soc., Chem. Commun. 1993, 9 - 11b
Barlow MG.Suliman NNE.Tipping AE. J. Fluorine Chem. 1995, 72: 147 - 12
Fuchigami T.Sato T.Nonaka T. J. Org. Chem. 1986, 51: 366 - 13
Stetter H.Spangenberger H. Chem. Ber. 1958, 91: 1982 - 14a
Hedaya E.Hinman RL.Theodoropulos S. J. Org. Chem. 1963, 85: 3052 - 14b
Hedaya E.Hinman RL.Schomaker V.Theodoropulos S.Kyle LM. J. Am. Chem. Soc. 1967, 89: 4875 - 14c
Feure H.Wyman H. Chem. Ind. (London) 1956, 577 - 15
Avetisyan SA.Nesunts NS.Buyukyan NS.Mndzhoyan OL.Dzhagatspanyan IA. Pharm. Chem. J. 1988, 22: 309 - 16a
Feure H.Rubinstein H. J. Am. Chem. Soc. 1958, 80: 548 - 16b
Feure H.Rubinstein H. J. Am. Chem. Soc. 1958, 80: 5873 - 17
Kuhn N.Kotowski H.Steimann M.Speiser B.Wurde M.Henkel G. J. Chem. Soc., Perkin Trans. 2 2000, 353 - 18a
Flitsch W.Luettig FJ. Liebigs. Ann. Chem. 1987, 893 - 18b
Flitsch VW.Kramer U.Zimmermann H. Ber. Dtsch. Chem. Ges. 1969, 102: 3268 - 18c
Chang C.Adams R. J. Am. Chem. Soc. 1931, 53: 2353 - 19a
Korschun G. Ber. Dtsch. Chem. Ges. 1904, 37: 2183 - 19b
Bulow C.Sautermeister C. Ber. Dtsch. Chem. Ges. 1904, 37: 2697 - 20
Schilffarth K.Zimmermann H. Chem. Ber. 1965, 98: 3124 - 21
Flitsch VW.Lerner H. Tetrahedron Lett. 1974, 15: 1677 - 22
Aly NF.Essawy AS.Tamany SHEI. Egypt. J. Chem. 1987, 30: 267 - 23
Leuenberger C.Hoesch L.Dreiding AS. Helv. Chim. Acta 1981, 64: 1219 - 24
Hoesch L.Koppel B. Helv. Chim. Acta 1981, 64: 864 - 25
Schulz M.Kluge R.Willscher S. Liebigs. Ann. Chem. 1987, 671 - 26
Hatt D. J. Chem. Soc. 1937, 16: 26 - 27
Lisitsyn VN.Borovkov AG. J. Org. Chem. USSR 1983, 2270 - 28a
Garwood D. J. Chem. Soc. 1937, 1841 - 28b
Le Berre . C. R. Acad. Sci. 1958, 246: 781 - 29
Pearman D. J. Chem. Soc. 1937, 26: 32 - 30
Erelyne B, andRernard G. inventors; Eur. Pat. Appl. 292 362. - 31
Joshi BS.David J.Gawad DH. Indian J. Chem., Sect. B 1983, 22: 131 - 32
Tarozaemon N.Noritaka A.Kenzo M. Heterocycles 1980, 14: 783 - 33
Benati L.Montevecchi PC. J. Org. Chem. 1981, 46: 4570 - 34a
Terabe S.Konaka R. J. Am. Chem. Soc. 1969, 91: 5655 - 34b
Zhereblsov IP.Lupantinskii VP. Izv. Tomsk. Politkh. Inst. 1974, 70: 198 - 34c
Zelent B.Durocher G. J. Org. Chem. 1981, 46: 1496 - 34d
Zelent B.Durocher G. Can. J. Chem. 1982, 60: 2442 - 35
Crumrine DS.Brodbeck CM.Dombrowski PH.Haberkamp TJ.Kekstas RJ.Nabor P.Nomura GS.Padleckas HA.Suther DJ.Yonan JP. J. Org. Chem. 1982, 47: 4246 - 36
Gioanola M.Leardini R.Nanni D.Pareschi P.Zanardi G. Tetrahedron 1995, 51: 2039 - 37a
Erra Balsells R.Frasca AR. Tetrahedron Lett. 1984, 25: 5363 - 37b
Muzik A. Collect. Czech. Chem. Commun. 1957, 22: 64 - 38
Rodriguez JG.Urrutia A. Tetrahedron 1998, 54: 15613 - 39
Erra Balsells R.Frasca AR. Tetrahedron 1983, 39: 33 - 40
Khrem AA.Krasyuk EI.Mikhaiopulo IA. Geterotsikl. Soedin. 1976, 1239 - 41
Balasubrahmanyam SN.Radhakrishna AS.Boulton AJ.Kan-Woon T. J. Org. Chem. 1977, 42: 897 - 42
Cuevas JC.de Mendoza J.Prados P. J. Org. Chem. 1988, 53: 2055 - 43
Briody JM.Pearse M. Chem. Ind. (London) 1971, 657 - 44
Zimmermann H.Baumgartel H.Bakke F. Angew. Chem. 1961, 73: 808 - 45
de Mendoza J.Millan C.Rull P. J. Chem. Soc., Perkin Trans. 1 1981, 403 - 46
Turkevich NM.Boikov DP. Dopov. Akad. Nauk. Ukr. 1971, 33: 1016 ; Chem. Abstr. 1972, 76, 153713d. - 47a
Carboni RA. inventors; U S. Patent 3 184 472. - 47b
Harder RJ.Carboni RA.Castle JE. J. Am. Chem. Soc. 1967, 89: 2643 - 48
Carlsen PHJ.Iversen EH.Samuelsen EJ.Helgesson G.Jagner S. Acta Chem. Scand. 1992, 46: 200 ; Chem. Abstr. 1992 , 116, 174080e - 49a
Rink M.Lux R. Arch. Pharmacol. 1961, 294: 640 - 49b
Jackisch J.Legler J.Kauffmann T. Chem. Ber. 1982, 115: 659 - 49c
Troyanskii EI.Ioffe VA.Nikishin GI. Bull. Acad. Sci USSR. 1985, 34: 2351 - 50
Toda T.Mori E.Horiuchi H.Murayama K. Bull. Chem. Soc. Jpn. 1972, 45: 1802 - 51a
Simmons TC.Hoffmann FW.Beck RB.Holler HV.Katz T.Koshar RJ.Larsen ER.Mulvaney JE.Paulson KE.Rogers FE.Singleton B.Sparks RE. J. Am. Chem. Soc. 1957, 79: 3429 - 51b
Allan RB.Donald EB. J. Fluorine Chem. 1983, 23: 87 - 51c
Sartori P.Velayutham D.Ignat’ev N.Noel M. J. Fluorine Chem. 1998, 87: 31 - 52
Ogawa K.Takeuchi Y.Suzuki H.Nomura Y. J. Am. Chem. Soc. 1984, 106: 831 - 53
Dinnocenzo JP.Banach TE. J. Am. Chem. Soc. 1988, 110: 971 - 54a
Ochiai M.Inenaga M.Nagao Y.Moriarty RM.Vaid RK.Duncan MP. Tetrahedron Lett. 1988, 29: 6917 - 54b
Venkov AP.Stakova-Abeghe SM. Tetrahedron 1996, 52: 1451 - 54c
Wieland H.Haas E. Chem. Ber. 1920, 53: 1341 - 54d
Nomura Y. Nippon Ishikai Zasshi 1956, 77: 1109 ; Chem. Abstr. 1959, 5264 - 55a
Nekipelova TD.Malkin YaN.Kuz’min VA. Bull. Acad. Sci. USSR. 1989, 38: 413 - 55b
Shikaliev KhS.Shapiro AB.Shmyreva ZhV. Bull. Acad. Sci. USSR. 1980, 29: 67 - 56
Rees CW.Yelland M. J. Chem. Soc., Perkin Trans. 1 1972, 77 - 57a
Bird P.Sainsbury M.Scopes DIC. Can. J. Chem. 1983, 61: 1071 - 57b
Rosen G.Popp FD. Can. J. Chem. 1969, 47: 864 - 58
Kuppuswamy N.Vunnam RR.Rashmi KS.Sharada JS.Hans F. Helv. Chim. Acta 1988, 71: 77 - 59
Korbonits D.Harsanyi K. Chem. Ber. 1966, 99: 273 - 60a
Graebe .Lagodzinski . Justus Liebigs Ann. Chem. 1893, 276: 53 - 60b
Graebe .Locher . Justus Liebigs Ann. Chem. 1894, 279: 280 - 61a
Ostrogovich .Mihailescu . Gazz. Chim. Ital. 1911, 41(II): 792 - 61b
Ostrogovich .Bena Median . Bull. Sect. Sci. Acad. Roum. 1942, 25: 90 - 61c
Ostrogovich .Bean Median . Bull. Sect. Sci. Acad. Roum. 1942, 25: 150 - 62a
Langhals H.Jona W. Angew. Chem. Int. Ed. 1998, 37: 952 - 62b
Rodriguz-Llorente S.Aroca R.Duff J. J. Mater. Chem. 1998, 8: 2175 - 63
Zoorob HH.Khodeir MNM.Waly MA.Amer AF. Indian J. Chem., Sect. B 1990, 29: 29 - 64
Bregant N.Perina I.Balenovic K. Bull. Sci. Cons. Acad. Sci. Arts. RSF. Yougoslaviesec. A. 1972, 17: 148 - 65
Barluenga J.Muniz L.Iglesias MJ.Gotor V. Synthesis 1985, 1146 - 66
Guenter J.Voigt H.Hofmann F.Feuerstein B. Z. Chem. 1984, 24: 437 - 67a
Pflegel P.Wagner G. Pharmazie 1967, 22: 60 ; Chem. Abstr. 1967, 67, 7499 - 67b
Pflegel P.Kuchenstedt C.Richter P.Gerisch K. Pharmazie 1982, 37: 714 ; Chem. Abstr. 1983, 98, 126047n. - 68
Peet NP.Sunder S. J. Org. Chem. 1975, 40: 1909 - 69
Bhavani AKD.Reddy PSN. Indian J. Chem., Sect. B 1992, 31: 736 - 70a
Hoechst AG . inventors; British Patent 1429339. ; Chem. Abstr. 1976, 85, p63095k - 70b
Hans K,Desouza NJ,Patel J, andDesai PD. inventors; Ger. Offen. 2232532. ; Chem. Abstr. 1974, 80, p121007t - 70c
Nagahara K.Takada A. Chem. Pharm. Bull. 1977, 25: 2713 - 70d
Mohamed YA.Aziziamohesen AE.Salama FM.Akfity AN. J. Serb. Chem. Soc. 1992, 57: 629 - 70e
Ried VW.Peters B. Liebigs. Ann. Chem. 1969, 729: 124 - 71
Reddy PSN.Bhavani AKD. Indian J. Chem., Sect. B 1992, 31: 740 - 72
Bhavani AKD.Reddy PSN. Org. Prep. Proced. Int. 1992, 24: 1 - 73
Gakhav HK.Sharma A.Gupta SB. Indian J. Chem., Sect. B 1982, 21: 456 - 74
Hoechst A.-G. inventors; British Patent 1429339. ; Chem. Abstr. 1976, 85, p63095 - 75a
Troyanskii EI.Ioffe VA.Nikishin GI. Bull. Acad. Sci. USSR. 1985, 34: 2351 - 75b
Nelsen SF.Rumack DT.Meot-Ner M. J. Am. Chem. Soc. 1987, 109: 1373 - 76
Mayer KK.Schroppel F.Sauer J. Tetrahedron Lett. 1972, 13: 2899 - 77a
Ansari HM.Ahmand F.Ahmand M. J. Am. Oil Chem. Soc. 1986, 63: 92 - 77b
Kuznetsov MA.Belov VN.Yu AV. Fiz. Khim. Obrab. Mater. 1984, 63 - 77c
Mohammad AS.Fasih A.Sheikh MO. J. Chem. Res., Synop. 1984, 26 - 77d
Leone CL.Chamberlin AR. Tetrahedron Lett. 1991, 32: 1691 - 77e
Atkinson RS.Barker E. J. Chem. Soc., Chem. Commun. 1995, 1074819 - 77f
Atkinson RS.Grimshire MJ.Kelly BJ. Tetrahedron 1989, 45: 2875 - 77g
Atkinson RS.Jones DW.Kelly BJ. J. Chem. Soc., Perkin Trans. 1 1991, 1344 - 77h
Deshmukh MB.Mulik AR.Chavan PB. J. Indian. Chem. Soc. 1999, 76: 459 - 77i
Kapron JT.Santarsiero BD.Vederas JC. J. Chem. Soc., Chem. Commun. 1993, 1074 - 77j
Dickinson JM.Murphy J. A. Tetrahedron 1992, 48: 1317 - 77k
Hoesch L. Helv. Chim. Acta 1981, 64: 890 - 77l
Nelsen SF.Blackstock SC.Steffek DJ.Cunkle GT.Kurtzweil ML. J. Am. Chem. Soc. 1988, 110: 6149 - 77m
Marples BA.Toon RC. Tetrahedron Lett. 1999, 40: 4873 - 77n
Narasimhan K.Rajakumar P. Heterocycles 1984, 22: 1369 - 77o
Rajakumar P. Heterocycles 1987, 26: 1257 - 77p
Rajakumar P. Indian J. Chem., Sect. B 1987, 26: 725 - 77q
Kuwashima S.Kubota M.Kushida K.Ishida T.Ohashi M.Nogami T. Tetrahedron Lett. 1994, 35: 4371 - 77r
Belov VN.Denisov VR.Kuzentsov MA. Chem. Heterocycl. Compd. 1988, 24: 868 - 77s
Jones DW. J. Chem. Soc., Chem. Commun. 1972, 884 - 77t
Carpino LA.Padykula RE.Lee SN.Han GY.Kirkley RK. J. Org. Chem. 1988, 53: 6047 - 77u
Jones DW.Thornton-Pet M. J. Chem. Soc., Perkin Trans. 1 1995, 809 - 78
Ruttimann A.Ginsburg D. Tetrahedron 1976, 32: 1009 - 79a
Anderson AG.Fagerburg DR. J. Heterocycl. Chem. 1969, 6: 987 - 79b
Jones DW. J. Chem. Soc., Perkin Trans. 1 1972, 225 - 79c
Narashimha K.Kumar PR. Indian J. Chem., Sect. B 1985, 24: 141 - 79d
Hoesch L.Dreiding AS. Chimia 1969, 23: 405 - 80
Atkison RS.Fawcett J.Russell DR.Tughan G. J. Chem. Soc., Chem. Commun. 1986, 832 - 81a
Charles LR.Yelland M. J. Chem. Soc. D 1969, 377 - 81b
Rees CW.Yelland M. J. Chem. Soc. Perkin Trans. 1 1972, 77 - 82a
Atkinson RS.Tugahn G. J. Chem. Soc., Chem. Commun. 1986, 834 - 82b
Koohang A.Stanchina CL.Coates RM. Tetrahedron 1999, 55: 9669 - 82c
Zhalnina GV.Kunzefsov MA.Semenovskii VV.Shustone GV. Fiz. Khim. Obrab. Mater. 1990, 72: 45 - 82d
Amad MB.Rauf A.Osman SM. Indian J. Chem., Sect. B 1988, 27: 1140 - 82e
Hogale B.Madhukar C.Pravin B. Collect. Czech. Chem. Commun. 1993, 58: 1705 - 83a
Albar HA.Fawcett J.Russell DR. Heterocycles 1997, 45: 1289 - 83b
Atkinson RS.Barker E.Meades CK.Albar HA. J. Chem. Soc., Chem. Commun. 1998, 29 - 84
Testa E.Fontanella . Farmaco, Ed. Sci. 1971, 26: 1017 - 85
Ebnoether A.Jucker E.Rissi E.Rutschmann J.Schreier E.Steiner R.Suess R.Vogel A. Helv. Chim. Acta 1959, 42: 918 - 86
Iwagami H.Yasuda N. Heterocycles 1990, 31: 529 - 87a
Bhalla M.Srivastava VK.Bhalla TN.Shanker K. Arzeim.-Forsch. 1993, 43: 595 - 87b
Al-Thebeiti MS.El-Zohry MF. Indian J. Chem., Sect. B 1998, 37 : 804 - 88a
Breuil-Desvergnes V.Compain P.Vatele J.-M.Gore J. Tetrahedron Lett. 1999, 40: 5009 - 88b
Enders D.Diez E.Fernandez R.Martin-Zamora E.Munoz JM.Pappalardo RR.Lassaletta JM. J. Org. Chem. 1999, 64: 6329 - 89
Katritzky AR.Suwinski JW. Tetrahedron 1975, 31: 1549 - 90
Adembri G.Camparini A.Ponticelli F.Tedeschi P. J. Heterocycl. Chem. 1981, 18: 957 - 91
Enders D.Wiedemann J. Liebigs Ann. Recl. 1997, 699 - 92a
Enders D.Teschner P.Raabe G. Synlett 2000, 637 - 92b
Enders D.Teschner P.Raabe G. Heterocycles 2000, 52: 733 - 93
Menendez JC.Trigo GG.Sollhuber MM. Heterocycles 1986, 24: 1393 - 94
Grigg R.Dorrity MJR.Malone JF.Mongkolaussavaratana T.Amilaprasadh-orbert WDJA.Sridharan V. Tetrahedron Lett. 1990, 31: 3075 - 95
Hanefeld W.Schlitzer M.Debski N.Euler H. J. Heterocycl. Chem. 1996, 33: 1143 - 96
Hanefeld W.Schlitzer M. J. Heterocycl. Chem. 1994, 31: 391 - 97
Olofson RA.Pepe JP. Tetrahedron Lett. 1979, 3129 - 98
Khan MH.Tewari S.Begum K.Nizammuddin . Indian J. Chem., Sect. B 1998, 37: 1075 - 99
Enders D.Meyer I.Runsink J.Raabe G. Heterocycles 1999, 50: 995 - 100a
Parrick J.Ragunathan R. J. Chem. Soc., Perkin Trans. 1 1993, 211 - 100b
Garwood D. J. Chem. Soc. 1937, 841 - 101
Augustin M.Reinemann P. Z. Chem. 1973, 13: 61 - 102
Flitsch W.Luettig FJ. Liebigs Ann. Chem. 1987, 893 - 103
Somogyi L. Liebigs Ann. Chem. 1985, 8: 1679 - 104
Dickinson JM.Murphy JA. Tetrahedron 1992, 48: 1317 - 105
Jones DW. J. Chem. Soc., Chem. Commun. 1978, 404 - 106
Walesa KG. Acta. Pol. Pharma 1995, 52: 501 - 107
Gilchrist TL.Gymer GE.Rees CW. J. Chem. Soc., Perkin Trans. 1 1975, 1747 - 108
Harder RJ. inventors; U.S. Patent 3184471. ; Chem. Abstr. 1965, 63, 43059 - 109
Dokunikhin NS.Bystritskii GI. Zh. Obshch. Khim. 1963, 33: 2714 - 110
Rink M.Lux R. Naturwissenschaften 1958, 45: 516 - 111
Enders D.Wiedemann J. Liebigs Ann., Recl. 1997, 699 - 112
Enders D.Brauer-Scheib S.Fey P. Synthesis 1985, 393 - 113
Enders D.Bartzen D. Liebigs Ann. Recl. 1997, 1115 - 114
Beaudegnies R.Ghosez L. Tetrahedron: Asymmetry 1994, 5: 557 - 115a
Suzuki H.Aoyagi S.Kibayashi C. Tetrahedron Lett. 1995, 36: 935 - 115b
Suzuki H.Aoyagi S.Kibayashi C. J. Org. Chem. 1995, 60: 6114 - 115c
Hanefeld W.Schlitzer M.Debski N.Euler H. J. Heterocycl. Chem. 1996, 33: 1143 - 115d
Scott KR.Kennedy PG.Murray K.Telang VG.Mathews HW. J. Pharm. Sci. 1983, 72: 183 - 115e
Kornet MJ. J. Pharm. Sci. 1984, 73: 405 - 115f
Brana MF.Sanz AM.Castellano JM.Roldan CM.Roldan C. Eur. J. Med. Chem. 1981, 16: 207 - 115g
Ostrogovich M. Gazz. Chim. Ital. 1911, 41: 790 - 115h
Flitsch W.Lauterwein J.Temme R.Wibbeling B. Tetrahedron Lett. 1988, 29: 3391 - 115i
Afridi AS.Katritzky AR.Ramsden CA. J. Chem. Soc., Perkin Trans. 1 1977, 1428 - 115j
Langhals H.Ismael R.Yuruk O. Tetrahedron 2000, 56: 5435 - 115k
Lukas AS.Miller SE.Wasielewski MR. J. Phys. Chem. B 2000, 104: 931 - 115l
Wiederrech GP.Niemozyk MP.Svec WA.Wasielewski MR. J. Am. Chem. Soc. 1996, 118: 81 - 116
Andersen K.Perregaard J.Arnt J.Nielsen JB.Begtrup M. J. Med. Chem. 1992, 35: 4823 - 117
Takahashi K.Tachiki A.Ogura K.Iida H. Heterocycles 1986, 24: 2835 - 118a
Yamazaki N.Suzuki H.Aoyagi S.Kibayashi C. Tetrahedron Lett. 1996, 37: 6161 - 118b
Yamazaki N.Kibayashi C. Tetrahedron Lett. 1997, 38: 4623 - 119
Teleha CA.Greenberg RA.Chorvat RJ. J. Heterocycl. Chem. 1998, 35: 145 - 120
Reddy GM.Reddy PSN. Indian J. Chem., Sect. B 1997, 36: 166 - 121a
Zeinab HA.Ahmed M.Hamed AEI.Maher FEZ. Collect. Czech. Chem. Commun 1993, 58: 1944 - 121b
Agarwal R.Charanjeet S.Mishra VS. Indian Drugs 1988, 25: 185 - 121c
Purohit DM.Shah VH. Indian J. Heterocycl. Chem. 1999, 8: 213 - 121d
Feky EI.Said H. Pharmazie 1993, 48: 894 - 122
Tyagi R.Goel B.Srivastava VK.Kumar A. Indian J. Pharm. Sci. 1998, 60: 283 - 123
Bhalla M.Srivastava VK.Bhalla TN.Shanker K. Arzeim.-Forsch. 1993, 43: 595 - 124
Krzysztof C.Zislaw JZ.Rolland S. Pol. J. Chem. 1983, 57: 817 - 125
Narasimhan K.Kumar PR. J. Org. Chem. 1983, 48: 1122 - 126
Snyder NJ.Paschal JW.Elzey TK.Spry DO. Heterocycles 1991, 32: 2193 - 127
Egg H.Ganzera I.Leibetseder H.Patzak A.Sperl U. Arch. Pharm. 1986, 319: 682 - 128
Enders D.Wiedemann J. Liebigs Ann. Recl. 1997, 699 - 129
Goldschmidt V. Justus Liebigs Ann. Chem. 1924, 435: 276 - 130
Reddy GM.Reddy PSN. Indian J. Chem., Sect. B 1998, 37: 689 - 131
Reddy GM.Thesis PhD. Osmania University: Hyderabad India 1998, - 132
Kumar SA.Singh S.Saxena AK.Shanker K. Indian J. Chem., Sect. B 1988, 27: 443 - 133
Hoechst Pharm Ltd. . inventors; India 137449. ; Chem. Abstr. 1980, 92, 146810k - 134
Moneer AA.Mohsen IM.Osman AN. Egypt. J. Pharm. Sci. 1993, 34: 599 - 135
Harvey ML. inventors; U.S. Patent 3466285. ; Chem. Abstr. 1969, 71, 101877n