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Amides Chirality

Lithium amides, chiral. Koga et al.x have prepared a series of lithium amides of the type in which one carbon atom adjacent to the nitrogen is chiral and bears a bulky group (phenyl, naphthalene, r-butyl). Highest enantioselective deprotonation... [Pg.159]

Camphor- 10-sulfonic acid, 62 (S)-2-(l-Hydroxy-1-methylethyl)-pyrrolidine, 146 a-Methylbenzylamine, 185 Quina alkaloids, 264 Cycloaddition reactions 2-Oxazolidones, chiral, 225 Cyclopropanation Diiodomethane-Diethylzinc, 276 Simmons-Smith reagent, 275 Deprotonation Lithium amides, chiral, 159... [Pg.358]

SlLYL ENOL ETHERS Chiorotrimethylsilane-Zinc, 82 Lithium amides, chiral, 159 Lithium tri-sec-butylborohydride, 167 Organotin reagents, 211 Osmium tetroxide-Trimethylamine N-ox-ide-Pyridine, 223... [Pg.397]

Ethylenediamine, 157 Hexamethyldisilazane, 175, 331 Isopropylamine, 164 N-Lithioethylenediamine, 157, 200 Lithium amides, chiral, 159 Lithium 3-aminopropylamide, 157, 160 Lithium 3-aminopropylamide-Potas-sium /-butoxide, 160 Lithium dicyclohexylamide, 110 Lithium diisopropylamide, 106, 143, 148, 163, 188, 256, 257, 326 Lithium diisopropylamide-Hexa-methylphosphoric triamide, 143, 172 Lithium diisopropylamide-Potassium t-butoxide, 164... [Pg.402]

Lithium amides, chiral, 159 Lithium isopropyl[ 2-(4-methylpipera-zyl)-l-phenylethyl] amide, 160 Chiral Boranes... [Pg.404]

Variable levels of asymmetric induction or diastereoselectivity have been found with additions of or-ganometallics to a,0-unsaturated chiral amides (chiral auxiliary). For example, as shown in Scheme 26, Mukaiyama reports that the diastereoselective addition of Grignard reagents to -substituted a,p-un-... [Pg.84]

In 2004, Walsh s group developed L-proline-catalysed aldol reactions of atropisomeric amides sueh as benzamides and naphthamides. " The DKR process simultaneously established the stereoehemistry of the atropisomeric amide chiral axis and a stereogenic centre, providing high enantioselectivities, as shown in Scheme 2.101. [Pg.120]

Davis FA, Qi HY, Sundarababu G. Application of oxazoUdi-none a-fluoro amide chiral building blocks in the asymmetric synthesis of fluorinated carbohydrates 2-deoxy-2-fluoropentoses. Tetrahedron 2000 56 5303-5310. [Pg.1374]


See other pages where Amides Chirality is mentioned: [Pg.237]    [Pg.374]    [Pg.139]    [Pg.208]    [Pg.378]    [Pg.401]    [Pg.256]    [Pg.258]    [Pg.203]   
See also in sourсe #XX -- [ Pg.117 ]

See also in sourсe #XX -- [ Pg.117 ]




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Aggregates, chiral lithium amide/enolate

Aggregation chiral lithium amides

Alkyllithiums chiral lithium amide mixed complexes

Amide bases, chiral, deprotonation

Amide chiral NHCs

Amide chiral resins

Amides chiral—

Amides: chiral enolates

Asymmetric cyclisation with chiral lithium amides

Asymmetric synthesis chiral lithium amide reactions

Catalytic asymmetric allylation chiral amide

Chelation chiral lithium amides

Chiral amide bases

Chiral amides, asymmetric Michael reactions

Chiral amides, asymmetric crotylation

Chiral amides, synthesis

Chiral auxiliaries amides

Chiral compounds Amides

Chiral lithium amide bases

Chiral lithium amide bases 2,3]-Wittig rearrangement

Chiral lithium amide bases enantioselective lithiation

Chiral lithium amide, enantioselective Michael

Chiral lithium amide, enantioselective Michael addition

Chiral lithium amides amide-amine

Chiral lithium amides amine groups

Chiral lithium amides bulk bases

Chiral lithium amides catalytic

Chiral lithium amides deprotonations

Chiral lithium amides epoxide rearrangement

Chiral lithium amides ether groups

Chiral lithium amides imides

Chiral lithium amides in asymmetric synthesis

Chiral lithium amides ketones

Chiral lithium amides polymer-supported

Chiral lithium amides rearrangements

Chiral lithium amides stereoselective

Chiral lithium amides stoichiometric

Chiral magnesium amides

Chiral stationary phase, separation enantiomeric amides

Chiral tartaric amides

Chiral thiourea-amide

Conjugate addition chiral amides

Cyclohexanone by chiral lithium amides

Deprotonation chiral lithium amides

Dimers chiral lithium amides

Enolate amide, chiral

Epoxides chiral lithium amides

Ether group chelation chiral lithium amides

Hydroxy amides chiral

Lithium amides chiral catalysts

Lithium amides, chiral

Magnesium amide bases chiral

Metal amides, chiral

Mixed aggregates chiral lithium amides

Monomers chiral lithium amides

Pseudoephedrine amide, chiral

Pyrrolidines chiral lithium amides

Rearrangement reactions chiral lithium amides

Rhodium-chiral amide catalysts

Search for more stereoselective chiral lithium amides

Silyl enol ethers Lithium amides, chiral

Silylation Lithium amides, chiral

Solvation chiral lithium amides

Stereochemistry chiral unsaturated amides

Stereoselectivity chiral lithium amides

Structure chiral lithium amides

Synthesis chiral lithium amide deprotonations

Tetramers chiral lithium amides

Trimers chiral lithium amides

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