Recommanded Product: 3229-00-3. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Pentaerythrityltetrabromide, is researched, Molecular C5H8Br4, CAS is 3229-00-3, about Improved synthesis of pentaerythrityl tetramine. Author is Wei, Yun-yang; Shao, Yun.
An improved method for the preparation of pentaerythrityl tetramine was reported. Pentaerythrityl tetrabromide was first prepared starting from pentaerythritol via two steps. Pentaerythrityl tetrabromide was then treated with sodium p-toluenesulfonamide to give an intermediate, which was converted to pentaerythrityl tetramine (2,2-diamnomethyl-1,3-propanediamine) disulfate. The overall yield was 30%. The effects of reaction condition, solvent and phase transfer catalyst on the reaction were discussed.
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Reference:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem