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日期:2025-04-24
LDA (lithium di-isopropyl amide) is a strong, bulky base that is used to selectively make the “less substituted” enolate. It can also be used for the Hofmann elimination ... In resonance forms atoms do not move about. The picture you have of the Li cation...
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日期:2025-04-27
LDA may refer to:LDA HELP In aviation: Localizer Type Directional Aid Landing distance available Launch Decision Authority In law: Legal drinking age Legal document assistant Lobbying Disclosure Act of 1995 LDA HELP In medicine: Left displaced abomasum Li...
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日期:2025-04-28
Preparation of LDA: Reference: Reactions: N H i-Pr i-Pr +n-BuLi N Li i-Pr i-Pr Diisopropy lamine (DIPA) n-B uty ihm Lithiumdiisopropylamide (LDA) Table: Reagent MW (g/mol) Density (g/ml) Amount DIPA 101.19 0.722 12.3 ml (0.088 mol) n-Butyllithium (1.6 M ....
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日期:2025-04-30
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日期:2025-04-26
Louis Dreyfus Armateurs, entreprise française faisant partie du groupe Louis Dreyfus, armateur de navires de commerce et câbliers ; En chimie, le LDA représente le Diisopropylamidure de lithium, composé très utilisé en chimie organique. Local Density ......
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日期:2025-04-27
Consultores especializados na área de ambiente e segurança e higiene do trabalho... Destaques e Novidades SSU MICRO II :: Subscrever newsletter [ok] :: Perguntas Frequentes...
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日期:2025-04-30
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