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ChemInform Abstract: Novel Synthesis of N,N′-Dialkyl Cyclic Ureas Using Sulfur-Assisted Carbonylation and Oxidation.

✍ Scribed by Takumi Mizuno; Takeo Nakai; Masatoshi Mihara

Publisher
John Wiley and Sons
Year
2009
Weight
24 KB
Volume
40
Category
Article
ISSN
0931-7597

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Novel synthesis of N,N′-dialkyl cyclic u
Novel synthesis of N,N′-dialkyl cyclic ureas using sulfur-assisted carbonylation and oxidation
✍ Takumi Mizuno; Takeo Nakai; Masatoshi Mihara 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 119 KB

The first example of cyclic urea synthesis from secondary amines by the use of sulfurassisted carbonylation and oxidation was established. By combined sulfur-assisted carbonylation of secondary α,ω-diamines under an ambient pressure of carbon monoxide at 20 • C with oxidation by molecular oxygen (0.

ChemInform Abstract: Synthesis of Unsymm
ChemInform Abstract: Synthesis of Unsymmetrical Ureas by Sulfur-Assisted Carbonylation with Carbon Monoxide and Oxidation with Molecular Oxygen under Mild Conditions.
✍ Takumi Mizuno; Takeo Nakai; Masatoshi Mihara 📂 Article 📅 2009 🏛 John Wiley and Sons ⚖ 27 KB 👁 2 views

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