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The interpretation of spectroscopic and analytical data, along with previous results reported by other authors, allowed us to propose a mechanism for the aqueous polymerization of HCN from its primary and simplest isolated oligomer, the diaminomaleonitrile (DAMN) tetramer. We suggest that \u2018insoluble black HCN polymers\u2019 are formed by an unsaturated complex matrix, which retains a significant amount of H<jats:sub>2<\/jats:sub>O and important bioorganic compounds or their precursors. This polymeric matrix can be formed by various motifs of imidazoles and cyclic amides, among others. The robust formation of HCN polymers assayed under several conditions seems to explain the plausible ubiquity of these complex substances in space.<\/jats:p>","DOI":"10.1002\/cbdv.201100036","type":"journal-article","created":{"date-parts":[[2012,1,17]],"date-time":"2012-01-17T12:09:44Z","timestamp":1326802184000},"page":"25-40","source":"Crossref","is-referenced-by-count":40,"title":["New Insights into the Characterization of \u2018Insoluble Black HCN Polymers\u2019"],"prefix":"10.1002","volume":"9","author":[{"given":"Marta","family":"Ruiz\u2010Bermejo","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jos\u00e9 L.","family":"de\u2005la\u2005Fuente","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Celia","family":"Rogero","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C\u00e9sar","family":"Menor\u2010Salv\u00e1n","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susana","family":"Osuna\u2010Esteban","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jos\u00e9 A.","family":"Mart\u00edn\u2010Gago","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2012,1,17]]},"reference":[{"key":"e_1_2_1_1_2","doi-asserted-by":"publisher","DOI":"10.1039\/b516791d"},{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.2174\/1385272054368394"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.2174\/1385272043369836"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF02386466"},{"key":"e_1_2_1_5_2","first-page":"490","volume":"7","author":"Matthews C. 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