These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.
3. Studies in spiro heterocycles. Part 4(1): Investigation of the reactions of fluorinated 3-aroylmethylene-indol-2-ones with hydrazine and phenylhydrazine and synthesis of spiro [indole-3,3'-pyrazol]-2-ones. Joshi KC; Jain R; Garg S Pharmazie; 1985 Jan; 40(1):21-2. PubMed ID: 3991780 [TBL] [Abstract][Full Text] [Related]
4. [Reactions of 3-acylchromones with CH-acidic compounds. 35. Studies on 4-pyrones]. Eiden F; Schnikorr W Arch Pharm (Weinheim); 1972 Mar; 305(3):187-93. PubMed ID: 5048244 [No Abstract] [Full Text] [Related]
5. 2-Amino phenylhydrazine derivatives in the synthesis of heterocyclic compounds of pharmacological interest. Sparatore F; Boido A Farmaco; 1991 Jan; 46(1 Suppl):233-52. PubMed ID: 1854405 [No Abstract] [Full Text] [Related]
6. [Ring cleavage of chromone with CH-acid compounds in acetanhydride. 21. Studies on 4-pyrones]. Eiden F; Fenner H Arch Pharm Ber Dtsch Pharm Ges; 1969 Mar; 302(3):229-35. PubMed ID: 5262145 [No Abstract] [Full Text] [Related]
7. [Studies on pyrazole derivatives. IV. Synthesis and studies of 6H, 7H-pyrazolo-(3,2-b)-thiazole-1,2,4 derivatives]. Dymek W; Ryznerski Z Acta Pol Pharm; 1968; 25(4):375-82. PubMed ID: 5670539 [No Abstract] [Full Text] [Related]
8. Synthesis of trifluoromethyl-substituted pyrazoles and 1,2,4-triazines by ring transformation of mesoionic 4-trifluoroacetyl-1,3-oxazolium-5-olates with phenylhydrazine. Kawase M; Koiwai H Chem Pharm Bull (Tokyo); 2008 Apr; 56(4):433-8. PubMed ID: 18379086 [TBL] [Abstract][Full Text] [Related]
9. Multicomponent reactions to form heterocycles by microwave-assisted continuous flow organic synthesis. Bremner WS; Organ MG J Comb Chem; 2007; 9(1):14-6. PubMed ID: 17206827 [No Abstract] [Full Text] [Related]
10. [On the preparation of alkylselenophenyl substituted heterocyclic compounds from 4-alkylselenobenzolylacetones. 6. On the selenophenol derivatives]. Hannig E; Ziebandt H Pharmazie; 1968 Dec; 23(12):688-90. PubMed ID: 5716910 [No Abstract] [Full Text] [Related]
11. Novel double [3 + 2 + 1] heteroannulation for forming unprecedented dipyrazolo-fused 2,6-naphthyridines. Fan W; Ye Q; Xu HW; Jiang B; Wang SL; Tu SJ Org Lett; 2013 May; 15(9):2258-61. PubMed ID: 23597067 [TBL] [Abstract][Full Text] [Related]
12. [Studies on the syntheses of chemotherapeutics. V. Synthesis of the pyrazolo-[4,3-f]- and [3,4-f]quinoline-8-carboxylic acid derivatives (studies on the syntheses of heterocyclic compounds. DCCLVI) (author's transl)]. Kametani T; Kigasawa K; Hiiragi M; Wakisaka K; Haga S; Kusama O; Sugi H; Tanigawa K Yakugaku Zasshi; 1978 Aug; 98(8):1063-71. PubMed ID: 712569 [No Abstract] [Full Text] [Related]
13. A convenient and efficient protocol for the synthesis of 5-aryl-1,3-diphenylpyrazole catalyzed by hydrochloric acid under ultrasound irradiation. Li JT; Yin Y; Li L; Sun MX Ultrason Sonochem; 2010 Jan; 17(1):11-3. PubMed ID: 19628419 [TBL] [Abstract][Full Text] [Related]
14. Synthesis of some A- and D-ring fused steroidal pyrazoles, isoxazoles and pyrimidines. Laitonjam WS; Rajkumar TS; Chingakham BS Steroids; 2002 Mar; 67(3-4):203-9. PubMed ID: 11856544 [TBL] [Abstract][Full Text] [Related]
15. How medicinal chemistry triggers fundamental research in heterocyclic chemistry. The chemistry of 4-hydroxy-2-pyrones and a new imidazole antifungal agent. Moreno-MaƱas M Farmaco Sci; 1988 Dec; 43(12 Suppl):1165-73. PubMed ID: 3246273 [TBL] [Abstract][Full Text] [Related]
16. N-heterocyclic derived M1 positive allosteric modulators. Kuduk SD; Di Marco CN; Cofre V; Pitts DR; Ray WJ; Ma L; Wittmann M; Veng L; Seager MA; Koeplinger K; Thompson CD; Hartman GD; Bilodeau MT Bioorg Med Chem Lett; 2010 Feb; 20(4):1334-7. PubMed ID: 20097564 [TBL] [Abstract][Full Text] [Related]
17. Efficient synthesis of chromone and flavonoid derivatives with diverse heterocyclic units. Arai MA; Sato M; Sawada K; Hosoya T; Ishibashi M Chem Asian J; 2008 Dec; 3(12):2056-64. PubMed ID: 18830978 [TBL] [Abstract][Full Text] [Related]
19. Design, Synthesis, DFT Study and Antifungal Activity of Pyrazolecarboxamide Derivatives. Mu JX; Shi YX; Yang MY; Sun ZH; Liu XH; Li BJ; Sun NB Molecules; 2016 Jan; 21(1):68. PubMed ID: 26760990 [TBL] [Abstract][Full Text] [Related]
20. [COLOR REACTION OF PHENOLS WITH OXIDIZING AGENTS AND PHENYLHYDRAZINE OR ITS DERIVATIVES. II. ON THE REACTION PRODUCT OF ALPHA- OR BETA-NAPHTHOL WITH 2,4-DINITROPHENYL-HYDRAZINE IN THE PRESENCE OF CHLORAMINE T]. UMEDA M Yakugaku Zasshi; 1963 Aug; 83():792-5. PubMed ID: 14087709 [No Abstract] [Full Text] [Related] [Next] [New Search]