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π˜•,π˜•'-Diisopropyl-π™Š-π™©π™šπ™§π™©-butyl isourea: an efficient reagent for π™©π™šπ™§π™©-butyl esters synthesis

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tert-Butyl esters are commonly used as protecting group of carboxylic acids in multi-step synthesis, especially with amino acids, peptides and natural products. [1] The importance of this relatively hindered protecting group is well established.

ZnEt2 as a Precatalyst for the Addition of Alcohols to Carbodiimides

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ZnEt2 as a Precatalyst for the Addition of Alcohols to Carbodiimides

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Microwave-Assisted Ester Formation Using O-Alkylisoureas: A Convenient Method for the Synthesis of Esters with Inversion of Configuration

π˜•,π˜•'-Diisopropyl-π™Š-π™©π™šπ™§π™©-butyl isourea: an efficient reagent for π™©π™šπ™§π™©-butyl esters synthesis

Efficient and Controllably Selective Preparation of Esters Using Uronium-Based Coupling Agents

Microwave-Assisted Ester Formation Using O-Alkylisoureas: A Convenient Method for the Synthesis of Esters with Inversion of Configuration

Reagent-free continuous thermal tert-butyl ester deprotection - ScienceDirect