eprintid: 5495 rev_number: 10 eprint_status: archive userid: 1 dir: disk0/00/00/54/95 datestamp: 2005-04-20 08:05:45 lastmod: 2014-04-03 18:56:57 status_changed: 2012-08-14 15:14:55 type: doctoralThesis metadata_visibility: show creators_name: Karpov, Alexei S. title: Multi-component Reactions Initiated via Sonogashira Coupling title_de: Mehrkomponenten-Reaktionen basierend auf der Sonogashira-Kupplung ispublished: pub subjects: ddc-540 divisions: i-120100 adv_faculty: af-12 cterms_swd: Eintopfreaktion cterms_swd: Sonogashira-Reaktion cterms_swd: Alkinone cterms_swd: Heterocyclische Verbindungen abstract: It was shown that arylbromides bearing electron-withdrawing groups in appropriate positions can be subjected to Sonogashira coupling with terminal alkynes, producing internal alkynes that can now undergo a Michael addition with suitable secondary amines. This coupling-aminovinylation sequence can be performed in a one-pot fashion, providing a straightforward access to push-pull chromophores. By applying acid chlorides instead of arylbromides, it was possible to synthesize ynones that are highly reactive and valuable intermediates. Furthermore, we succeeded in directly converting these building blocks into beta-enaminones, pyrimidines and halofurans in a one-pot three-component fashion. abstract_translated_lang: ger date: 2005 date_type: published id_scheme: DOI id_number: 10.11588/heidok.00005495 ppn_swb: 1644025604 own_urn: urn:nbn:de:bsz:16-opus-54956 date_accepted: 2005-04-15 advisor: HASH(0x55fc36bacd18) language: eng bibsort: KARPOVALEXMULTICOMPO2005 full_text_status: public citation: Karpov, Alexei S. (2005) Multi-component Reactions Initiated via Sonogashira Coupling. [Dissertation] document_url: https://archiv.ub.uni-heidelberg.de/volltextserver/5495/1/KarpovPhDThesisfinal.pdf