107520-59-2Relevant articles and documents
Dimethylzinc-Mediated Chlorolactamization of Homoallylic Amines with Chloroform
Nishida, Yuika,Ueda, Masafumi,Hayashi, Masataka,Takeda, Norihiko,Miyata, Okiko
, p. 22 - 25 (2016)
A novel chlorolactamization reaction of homoallylic amines has been developed. The treatment of homoallylic amines with dimethylzinc in chloroform led to the formation of the corresponding β-chlorolactams via the Prins-type cyclization of a carbamoyl chlo
Synthesis of conjugated δ-lactams using ring-closing metathesis
Rodríguez,Castillo,Carda,Marco
, p. 1185 - 1192 (2007/10/03)
Addition of allyl magnesium or metallyl magnesium bromide to the N-benzyl imines of benzaldehyde and cyclohexanone, followed by acylation with acryloyl or metacryloyl chloride provided the corresponding α,β-unsaturated amides. Ring-closing metathesis of the latter with ruthenium catalyst PhCH=RuCl2(PPh3)2 in the presence of Ti(OiPr)4 provided excellent yields of the corresponding conjugated δ-lactams with both disubstituted and trisubstituted C=C bonds. Some specific trisubstitution patterns, however, as well as tetrasubstituted C=C bonds, were not obtained. In these cases, even the use of a second generation, imidazolylidene-substituted ruthenium catalyst at high temperature did not lead to success.
Stereocontrolled Syntheses of Substituted Unsaturated δ-Lactams from 3-Alkenamides
Marson, Charles M.,Grabowska, Urszula,Walsgrove, Timothy
, p. 5045 - 5047 (2007/10/02)
δ-Lactams have been synthesized with excellent stereocontrol of substituents by condensing 3-alkenamides with aryl aldehydes in polyphosphoric ester.