Lithium bis(trimethylsilyl)amide is a lithiated organosilicon compound with the formula LiN(Si(CH3)3)2. It is commonly abbreviated as LiHMDS or Li(HMDS)...
11 KB (985 words) - 18:52, 20 January 2024
Sodium bis(trimethylsilyl)amide is the organosilicon compound with the formula NaN(Si(CH3)3)2. This species, usually called NaHMDS (sodium hexamethyldisilazide)...
6 KB (450 words) - 22:41, 12 June 2023
Potassium bis(trimethylsilyl)amide (commonly abbreviated as KHMDS, Potassium(K) HexaMethylDiSilazide) or potassium hexamethyldisilazane is the chemical...
3 KB (145 words) - 05:59, 1 April 2023
Alkali metal bis(trimethylsilyl)amides result from the deprotonation of bis(trimethylsilyl)amine. For example, lithium bis(trimethylsilyl)amide (LiHMDS) is...
10 KB (878 words) - 15:11, 21 March 2024
remaining metal bis(trimethylsilyl)amide is then often purified by distillation or sublimation. Lithium, sodium, and potassium bis(trimethylsilyl)amides are...
31 KB (3,034 words) - 19:38, 13 January 2024
been superseded by the related reagents sodium hydride, sodium bis(trimethylsilyl)amide (NaHMDS), and lithium diisopropylamide (LDA). Rearrangement with...
13 KB (1,641 words) - 00:44, 21 May 2024
(LDA), pKa = 36 Silicon-based amides, such as sodium and potassium bis(trimethylsilyl)amide (NaHMDS and KHMDS, respectively) Lithium tetramethylpiperidide...
3 KB (354 words) - 02:44, 22 March 2024
Lithium bis(trimethylsilyl)amide (LiHMDS) M = Na as in Sodium bis(trimethylsilyl)amide (NaHMDS) M = K as in Potassium bis(trimethylsilyl)amide (KHMDS)...
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attack by nucleophiles. For example, trimethylamine oxide and potassium bis(trimethylsilyl)amide convert CO ligands to CO2 and CN−, respectively. In the "Hieber...
70 KB (7,931 words) - 21:14, 23 May 2024
precursors. Finally, deprotonation of the iminimum salts with potassium bis(trimethylsilyl)amide affords the free carbene as a white solid. CAAC free carbenes...
13 KB (1,367 words) - 13:31, 8 May 2024