80300-01-2Relevant academic research and scientific papers
Synthesis of Novel Fused &β-Lactams by Intramolecular 1,3-Dipolar Cycloadditions. Part 2. (8S,8aR)-7,8-Dihydro-7-oxo-8-phenoxyacetamido-8aH-azeto-v-triazolopyrimidine-5-carboxylic Acids
Pearson, Michael J.
, p. 2544 - 2551 (2007/10/02)
The penicillin-derived (3R,4R)-4-methylthio-3-triphenylmethylaminoazetidin-2-one (10) has been converted into (3S,4R)-4-azido-1-(1-t-butoxycarbonylbut-3-ynyl)-3-triphenylmethylaminoazetidin-2-one (15a), which provided t-butyl (8S,8aR)-4,5,7,8-tetrahydro-7
