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William F. Tracy ; Geraint H. M. Davies ; Lauren N. Grant , et al. JOC,2024,89(7):4595-4606. DOI: 10.1021/acs.joc.3c02873
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Abstract: Immunomodulatory imide drugs form the core of many pharmaceutically relevant structures, but Csp2–Csp2 bond formation via metal-catalyzed cross coupling is difficult due to the sensitivity of the glutarimide ring ubiquitous in these structures. We report that replacement of the traditional alkali base with a fluoride source enhances a previously challenging Suzuki–Miyaura coupling on glutarimide-containing compounds with trifluoroborates. These enabling conditions are reactive enough to generate these derivatives in high yields but mild enough to preserve both the glutarimide and its sensitive stereocenter. Experimental and computational data suggest a mechanistically distinct process of π-coordination of the trifluoroborate enabled by these conditions.
Purchased from AmBeed: 395083-14-4 ; 13472-85-0 ; 2093387-36-9 ; 2093536-12-8 ; 2527-99-3 ; 1010100-26-1 ; 2304513-76-4 ; 20493-60-1 ; 2229976-08-1 ; 153766-81-5 ; 15803-02-8 ; 2509137-01-1 ; 233664-53-4 ; 1334497-00-5 ; 34259-99-9 ; 131274-22-1 ; 92629-11-3 ; 906674-55-3 ; 13682-77-4 ; 1111732-84-3 ; 1902198-18-8 ; 30318-99-1 ; 166328-14-9 ; 26166-92-7 ; 835616-62-1 ; 1216805-49-0 ; 24674-39-3 ; 1258323-45-3 ; 1111732-99-0 ; 1186667-20-8 ...More
CAS No. : | 13682-77-4 | MDL No. : | MFCD02093335 |
Formula : | C2H3BF3K | Boiling Point : | - |
Linear Structure Formula : | CH2CHBF3K | InChI Key : | ZCUMGICZWDOJEM-UHFFFAOYSA-N |
M.W : | 133.95 | Pubchem ID : | 23679353 |
Synonyms : |
|
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P280-P305+P351+P338-P310 | UN#: | 3261 |
Hazard Statements: | H314 | Packing Group: | Ⅱ |
GHS Pictogram: |
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