{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["68(Pt 3)"],"submitter":["Beack HJ"],"pubmed_abstract":["The title 20-crown-6 unit, C(28)H(30)Br(2)O(6)·CH(2)Cl(2), consisting of three benzo groups and triethyl-ene glycol was prepared from the reaction of 1,2,4,5-tetra-kis-(bromo-meth-yl)benzene and bis-phenol in the presence of sodium hydride. In the crystal, one O atom of the central ethyl-ene glycol in the triethyl-ene glycol unit exhibits an exo conformation as a result of intra-molecular C-H⋯O hydrogen bonds. The crown unit and the solvent mol-ecule are linked by weak C-H⋯O hydrogen bonds."],"journal":["Acta crystallographica. Section E, Structure reports online"],"pagination":["o720"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC3295491"],"repository":["biostudies-literature"],"pubmed_title":["6,7-Bis(bromo-meth-yl)-2,11,18,21,24,27-hexa-oxatetra-cyclo-[26.4.0.0.0]dotriaconta-1(28),4,6,8,12(17),13,15,29,31-nona-ene dichloro-methane monosolvate."],"pmcid":["PMC3295491"],"pubmed_authors":["Beack HJ","Kim JE","Sim W","Lee JY","Yoo SM"],"additional_accession":[]},"is_claimable":false,"name":"6,7-Bis(bromo-meth-yl)-2,11,18,21,24,27-hexa-oxatetra-cyclo-[26.4.0.0.0]dotriaconta-1(28),4,6,8,12(17),13,15,29,31-nona-ene dichloro-methane monosolvate.","description":"The title 20-crown-6 unit, C(28)H(30)Br(2)O(6)·CH(2)Cl(2), consisting of three benzo groups and triethyl-ene glycol was prepared from the reaction of 1,2,4,5-tetra-kis-(bromo-meth-yl)benzene and bis-phenol in the presence of sodium hydride. In the crystal, one O atom of the central ethyl-ene glycol in the triethyl-ene glycol unit exhibits an exo conformation as a result of intra-molecular C-H⋯O hydrogen bonds. The crown unit and the solvent mol-ecule are linked by weak C-H⋯O hydrogen bonds.","dates":{"release":"2012-01-01T00:00:00Z","publication":"2012 Mar","modification":"2024-12-04T07:16:03.416Z","creation":"2019-03-27T00:01:12Z"},"accession":"S-EPMC3295491","cross_references":{"pubmed":["22412602"],"doi":["10.1107/S160053681200565X"]}}