{"id":8853,"date":"2022-01-21T06:51:19","date_gmt":"2022-01-20T22:51:19","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=8853"},"modified":"2022-01-21T06:51:19","modified_gmt":"2022-01-20T22:51:19","slug":"extended-knowledge-of-c5h8n2-2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=8853","title":{"rendered":"Extended knowledge of C5H8N2"},"content":{"rendered":"

Application In Synthesis of 3,5-Dimethyl-1H-pyrazole<\/a>. Liebing, P; Wang, L; Gilje, JW; Hilfert, L; Edelmann, FT in [Liebing, Phil; Wang, Ling; Hilfert, Liane; Edelmann, Frank T.] Otto von Guericke Univ, Chem Inst, Univ Pl 2, D-39106 Magdeburg, Germany; [Gilje, John W.] James Madison Univ, Dept Chem & Biochem, MSC 4501, Harrisonburg, VA 22807 USA published Supramolecular first-row transition metal complexes of 3-(3,5-dimethylpyrazol-1-yl)propanamide: Three different coordination modes in 2019.0, Cited 51.0. The Name is 3,5-Dimethyl-1H-pyrazole. Through research, I have a further understanding and discovery of 67-51-6.<\/p>\n

Michael addition of 3-tert-butylpyrazole (1) or 3,5-dimethylpyrazole (2) to acrylamide afforded the pyrazolylpropanamide-type ligands 3-(3-tert-pyrazol-1-yl)propanamide (3, = (t)BuPPA) and 3-(3,5-dimethylpyrazol-1-yl)propanamide (4, = Me(2)PPA), respectively, in high isolated yields (3: 80%, 4: 76%). Reactions of 4 with selected first-row transition-metal chlorides (MnCl2 center dot 4H(2)O, CoCl2 center dot 6H(2)O, ZnCl2, CuCl2 center dot 2H(2)O) afforded the new complexes MnCl2(Me(2)PPA)(2) (5), [MCl2(Me(2)PPA)](2) (M = Co (6), Zn (7)), and CuCl2(Me(2)PPA)(2)center dot 2H(2)O (8). Ligand 3 and all four new complexes 58 have been structurally characterized though single-crystal X-ray diffraction. Surprisingly, the crystal structure determinations revealed three different coordination modes for the pyrazole-based ligand in these complexes. Seven-membered kappa N,kappa O-chelate rings are present in the manganese(II) complex 5. In contrast, kappa N: kappa O-bridging coordination of Me(2)PPA in compounds 6 and 7 leads to formation of dimers comprising 14-membered ring systems. Furthermore, unusual kappa N-monodentate coordination of Me2PPA has been found in the structure of the hydrated copper(II) complex Cu(Me(2)PPA)(2)Cl-2 center dot 2H(2)O (8). In the crystalline state, all four complexes 58 form one- or two-dimensional supramolecular structures assembled through different types of hydrogen bonding. (C) 2019 Elsevier Ltd. All rights reserved.<\/p>\n

Application In Synthesis of 3,5-Dimethyl-1H-pyrazole<\/a>. About 3,5-Dimethyl-1H-pyrazole, If you have any questions, you can contact Liebing, P; Wang, L; Gilje, JW; Hilfert, L; Edelmann, FT or concate me.<\/p>\n

Reference:
Pyrazole – Wikipedia<\/a>,
,Pyrazoles – an overview | ScienceDirect Topics<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Application In Synthesis of 3,5-Dimethyl-1H-pyrazole<\/a>. About 3,5-Dimethyl-1H-pyrazole, If you have any questions, you can contact Liebing, P; Wang, L; Gilje, JW; Hilfert, L; Edelmann, FT or concate me.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[249,131],"tags":[145],"class_list":["post-8853","post","type-post","status-publish","format-standard","hentry","category-67-51-6","category-pyrazoles-derivatives","tag-m-w0-100"],"yoast_head":"\nExtended knowledge of C5H8N2 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Application In Synthesis of 3,5-Dimethyl-1H-pyrazole. 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