Gök, YetkinÇetinkaya, Engin2021-02-102021-02-102004GÖK Y,ÇETİNKAYA E (2004). Chalcogeno ureas derived from bis(1,3-diazepan-2-ylidene). Turkish Journal of Chemistry, 28(2), 157 - 162.1300-05271303-6130https://hdl.handle.net/11616/19333https://search.trdizin.gov.tr/yayin/detay/1212Turkish Journal of Chemistry Yıl: 2004Cilt: 28Sayı: 2ISSN: 1300-0527 / 1303-6130Sayfa Aralığı: 157 - 162Metin Dili:İngilizceAbstract: A series of new electron rich olefins (=CNR(CH2)4NR)2, 3, (a; R = CH2C6H5, b; R = CH2C6H4-OMe-p, c; R = CH2C6H4?NMe2?p) was generated via the condensation of RNH(CH2)4NHR with Me2.NCH(OMe)2. The C=C bond cleavage reactions of 3 with S8 and Se provide a simple and straight-forward method for the synthesis of 1,3-diazepan-2-chalcogenones 4 and 5, respectively.eninfo:eu-repo/semantics/openAccessArticle2821571621212WOS:000221463200003Q3