English Oxaphosphetane Cited by user Benjah-bmm27 on 24 Nov 2020 An oxaphosphetane is a molecule containing a four-membered ring with one phosphorus, one oxygen and two carbon atoms.
Czech Wittigova reakce Cited by user M97uzivatel on 08 Jan 2020 Wittigova reakce je reakce aldehydu nebo ketonu s trifenylfosfoniumylidem za vzniku alkenu a trifenylfosfinoxidu.