菊花
发表于 2025-3-25 06:41:52
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内行
发表于 2025-3-25 10:25:26
,Copper-Catalyzed α-Amination of Phosphonates and Phosphine Oxides: A Direct Approach to α-Amino Phote zincates with .-acyl hydroxylamines. This amination provides the first example of C–N bond formation which directly introduces acyclic and cyclic amines to the α-position of phosphonates in one step. The reaction also demonstrates high efficiency on a broad phosphonate substrate scope.
摄取
发表于 2025-3-25 15:39:19
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Nostalgia
发表于 2025-3-25 16:56:28
,Selective α-Amination and α-Acylation of Esters and Amides via Dual Reactivity of ,-Acylhydroxylamily relevant molecules. Selective α-amination and α-acylation of esters and amides have been developed, employing .-acylhydroxylamines as a dually reactive aminating and acylating reagent. Treatment of zinc enolates with .-acylhydroxylamines provides solely 1,3-dicarbonyl compounds under mild conditi
惊呼
发表于 2025-3-25 22:17:11
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确保
发表于 2025-3-26 01:15:49
,Copper-Catalyzed Electrophilic Amination of Heteroarenes and Arenes by C–H Zincation,for the synthesis of these important heteroaryl amines are highly valuable. Direct amination of heteroarenes and arenes has been achieved in a one-pot C–H zincation/copper-catalyzed electrophilic amination procedure. This amination method provides an efficient and rapid approach to access a diverse
和音
发表于 2025-3-26 06:14:46
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出价
发表于 2025-3-26 12:19:14
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万花筒
发表于 2025-3-26 15:35:16
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initiate
发表于 2025-3-26 18:43:24
The Role of Sulfur in Plant Abiotic Stress Tolerance: Molecular Interactions and Defense Mechanisms,e S uptake, translocation, and mechanisms of action in plants under stressful conditions are still under research. The recent progress on the roles of S in conferring abiotic stresses and related literature is presented in this chapter.