{"doi":"10.1002/jlcr.2977","title":"Synthesis of <i>N</i><sup>1</sup>‐tritylethane‐1,1,2,2‐<i>d</i><sub>4</sub>‐1,2‐diamine: a novel mono‐protected C‐deuterated ethylenediamine synthon","abstract":"<jats:p>A convenient and high‐yield synthesis for <jats:italic>N</jats:italic><jats:sup>1</jats:sup>‐tritylethane‐1,1,2,2‐<jats:italic>d</jats:italic><jats:sub>4</jats:sub>‐1,2‐diamine, a novel mono‐protected ethylenediamine‐C‐<jats:italic>d</jats:italic><jats:sub>4</jats:sub>, is reported. <jats:italic>N</jats:italic><jats:sup>1</jats:sup>‐tritylethane‐1,1,2,2‐<jats:italic>d</jats:italic><jats:sub>4</jats:sub>‐1,2‐diamine was prepared in three steps from ethylene oxide‐<jats:italic>d</jats:italic><jats:sub>4</jats:sub> in a combined yield in the range 68–76%. Also reported is a synthesis of ethylenediamine‐C‐<jats:italic>d</jats:italic><jats:sub>4</jats:sub> in two steps from 1,2‐dibromoethane‐<jats:italic>d</jats:italic><jats:sub>4</jats:sub> in a combined yield in the range 61–65%.</jats:p>","journal":"Journal of Labelled Compounds and Radiopharmaceuticals","year":2012,"id":676314,"datarank":0.23489180361812179,"base_score":1.0986122886681096,"endowment":1.0986122886681096,"self_citation_contribution":0.16479184330021646,"citation_network_contribution":0.07009996031790532,"self_endowment_contribution":0.16479184330021646,"citer_contribution":0.07009996031790532,"corpus_percentile":null,"corpus_rank":null,"citation_count":2,"citer_count":1,"citers_with_citation_signal":1,"citers_with_endowment":1,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":216907,"name":"Kunlun Hong","orcid":null,"position":1,"is_corresponding":false},{"id":657026,"name":"Peter V. Bonnesen","orcid":"0000-0002-1397-8281","position":2,"is_corresponding":false},{"id":291088,"name":"Jun Yang","orcid":"0000-0001-8126-1728","position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Synthesis of <i>N</i><sup>1</sup>‐tritylethane‐1,1,2,2‐<i>d</i><sub>4</sub>‐1,2‐diamine: a novel mono‐protected C‐deuterated ethylenediamine synthon","abstract":"<jats:p>A convenient and high‐yield synthesis for <jats:italic>N</jats:italic><jats:sup>1</jats:sup>‐tritylethane‐1,1,2,2‐<jats:italic>d</jats:italic><jats:sub>4</jats:sub>‐1,2‐diamine, a novel mono‐protected ethylenediamine‐C‐<jats:italic>d</jats:italic><jats:sub>4</jats:sub>, is reported. <jats:italic>N</jats:italic><jats:sup>1</jats:sup>‐tritylethane‐1,1,2,2‐<jats:italic>d</jats:italic><jats:sub>4</jats:sub>‐1,2‐diamine was prepared in three steps from ethylene oxide‐<jats:italic>d</jats:italic><jats:sub>4</jats:sub> in a combined yield in the range 68–76%. Also reported is a synthesis of ethylenediamine‐C‐<jats:italic>d</jats:italic><jats:sub>4</jats:sub> in two steps from 1,2‐dibromoethane‐<jats:italic>d</jats:italic><jats:sub>4</jats:sub> in a combined yield in the range 61–65%.</jats:p>","is_dataset_classified":null,"base_score":0.0,"endowment":0.0,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"26207759","pmcid":null,"openalex_id":null,"authors":[],"funders":[],"total_grants":0,"fwci":null,"citation_percentile":null,"influential_citations":0,"citation_trend":[],"oa_status":null,"license":"http://onlinelibrary.wiley.com/termsAndConditions#vor","oa_locations":[{"url":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fjlcr.2977","host_type":"publisher"},{"url":"https://analyticalsciencejournals.onlinelibrary.wiley.com/doi/pdf/10.1002/jlcr.2977","host_type":"publisher"}],"fields_of_study":[],"mesh_terms":[],"keywords":[],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-17T02:22:11.022207Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}