79683-54-8Relevant academic research and scientific papers
Synthesis of Novel Fused β-Lactams by Intramolecular 1,3-Dipolar Cycloadditions. Part 9. Preparation of the 7-Oxo-1,3-dizabicycloheptane-2-carboxylate and 8-Oxo-1,3-dizabicyclooctane-2-carboxylate Ring Systems
Branch, Clive L.,Pearson, Michael J
, p. 1077 - 1096 (2007/10/02)
4-Vinylazetidin-2-one (24) has been converted into 1--4-vinylazetidin-2-one (27) and 1--4-(2-methoxycarbonylvinyl)-azetidin-2-one (43) which on thermolysis in toluene gave (2RS,5RS)-ben
SYNTHESES OF AZAPENEM AND AZACEPHEM RING SYSTEM
Nagakura, Isao
, p. 1495 - 1498 (2007/10/02)
Novel β-lactam ring systems, 7-oxo-1,3-diazabicyclohept-3-ene(III), 7-oxo-1,4-diazabicyclohept-3-ene(IV), and 8-oxo-1,3-diazabicyclooct-3-ene(V) have been synthesized via cyclization of olefinic azide.
Novel Synthesis of the 7-oxo-1,3-diazabicycloheptane and 8-oxo-1,3-diazabicyclooctane Ring Systems
Branch, Clive L.,Pearson, Michael J.
, p. 946 - 947 (2007/10/02)
4-Vinyl- and 4-allyl-azetidin-2-ones (1) and (2) have been converted into the imines (5) and (19) respectively, while use of azetidin-2-ones in which the double bond was substituted with a methoxycarbonyl group allowed the synthesis of the enamines (13) a
