78159-37-2Relevant academic research and scientific papers
A NEW CONVENIENT METHOD FOR β-LACTAM FORMATION FROM β-AMINO ACIDS USING BIS(5'-NITRO-2'-PYRIDYL) 2,2,2-TRICHLOROETHYL PHOSPHATE
Kim, Sunggak,Chang, Suk Bok,Lee, Phil Ho
, p. 2735 - 2736 (2007/10/02)
Bis(5'-nitro-2'-pyridyl) 2,2,2-trichloroethyl phosphate is found to be a new efficient condensing agent for β-lactam formation from β-amino acids in acetonitrile.
A CONVENIENT METHOD FOR THE CONSTRUCTION OF β-LACTAM COMPOUNDS FROM β-AMINO ACIDS USING 2-CHLORO-1-METHYLPYRIDINIUM IODIDE AS CONDENSING REAGENT
Huang, Huamin,Iwasawa, Nobuharu,Mukaiyama, Teruaki
, p. 1465 - 1466 (2007/10/02)
Various β-lactams are prepared from the corresponding β-amino acids under mild reaction conditions in high yields by employing 2-chloro-1-methylpyridinium iodide as a condensing reagent.
A NOVEL METHOD FOR THE SYNTHESIS OF β-LACTAMS BY MEANS OF PHASE TRANSFER SYSTEM
Watanabe, Yutaka,Mukaiyama, Teruaki
, p. 443 - 444 (2007/10/02)
The reaction of β-amino acids with methanesulfonyl chloride in a chloroform-water bilayer system in the presence of 15 molpercent of tetrabutylammonium hydrogen sulfate gives the corresponding β-lactams in good yields.
