{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,31]],"date-time":"2025-12-31T18:23:36Z","timestamp":1767205416790,"version":"build-2238731810"},"reference-count":58,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2006,12,6]],"date-time":"2006-12-06T00:00:00Z","timestamp":1165363200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>We report the one-step syntheses in good yields of the complexes cis-[M(CO)4(pzpy)] {M = Mo, W; pzpy = ethyl[3-(2-pyridyl)-1-pyrazolyl]acetate} directlyfrom the corresponding M(CO)6 starting materials by using microwave-assisted heatingand reaction times of either 30 s (M = Mo) or 15 min (M = W). The structure of themolybdenum tetracarbonyl complex was determined by single crystal X-ray diffraction.The compound is monomeric and the molybdenum atom has a highly distorted octahedralgeometry. The close packing of the individual cis-[Mo(CO)4(pzpy)] species is essentiallydriven by the need to fill the space effectively, closely mediated by weak C\u2013H\u00b7\u00b7\u00b7O and\u03c0\u00b7\u00b7\u00b7\u03c0 interactions.<\/jats:p>","DOI":"10.3390\/molecules11120940","type":"journal-article","created":{"date-parts":[[2015,12,9]],"date-time":"2015-12-09T15:21:41Z","timestamp":1449674501000},"page":"940-952","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Microwave Assisted Synthesis of Molybdenum and Tungsten Tetracarbonyl Complexes with a Pyrazolylpyridine Ligand. Crystal structure of cis-[Mo(CO)4{ethyl[3-(2-pyridyl)-1-pyrazolyl]acetate}]"],"prefix":"10.3390","volume":"11","author":[{"given":"Ana","family":"Coelho","sequence":"first","affiliation":[{"name":"Department of Chemistry, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal"}]},{"given":"Filipe","family":"Almeida Paz","sequence":"additional","affiliation":[{"name":"Department of Chemistry, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal"}]},{"given":"Jacek","family":"Klinowski","sequence":"additional","affiliation":[{"name":"Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW, Cambridge, UK"}]},{"given":"Martyn","family":"Pillinger","sequence":"additional","affiliation":[{"name":"Department of Chemistry, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal"}]},{"given":"Isabel","family":"Gon\u00e7alves","sequence":"additional","affiliation":[{"name":"Department of Chemistry, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2006,12,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Freund, C., Abrantes, M., and K\u00fchn, F. 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