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N,N-disubstituted carbamates, reagents for the preparation of ketones.

✍ Scribed by Uri Micheal; Anna-Britta Hörnfeldt

Publisher
Elsevier Science
Year
1970
Tongue
French
Weight
213 KB
Volume
11
Category
Article
ISSN
0040-4039

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✦ Synopsis

Although organometallic compounds are known to react with carboxamides to yield ketones [l]. N,N-disubstituted carbamates (DSC) have not previously been used for their preparation.

Thus, interaction-of two equivalents of an organometallic compound with one equivalent of DSC (0.5 -3 hours at -70' to -10' depending on the type of organomstallic conpound) yields the corresponding symmetrical ketone after hydrolysis. Two possible mechanisms for the reaction are outlined in Eq. 1:

📜 SIMILAR VOLUMES

An efficient method for the preparation
An efficient method for the preparation of N,N-disubstituted 1,2-diamines
✍ Judith M Mitchell; Nathaniel S Finney 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 62 KB

C 2 -Symmetric 1,2-diamines are useful precursors to numerous reagents used in asymmetric synthesis and catalysis. We report here an efficient protocol for converting the two most commonly used trans-1,2-diamines to N,N-disubstituted derivatives, a transformation that simplifies the preparation of n

ChemInform Abstract: An Efficient Method
ChemInform Abstract: An Efficient Method for the Preparation of N,N-Disubstituted 1,2-Diamines.
✍ Judith M. Mitchell; Nathaniel S. Finney 📂 Article 📅 2001 🏛 John Wiley and Sons ⚖ 31 KB 👁 2 views

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