引用本文:
Rahman Hosseinzadeh, Yaghoub Sarrafi, Nora Aghili. An efficient and mild protocol for the synthesis of unsymmetrical ureas in the absence of catalyst and additives[J]. Chinese Chemical Letters,
2010, 21(10): 1171-1174.
doi:
10.1016/j.cclet.2010.06.014
Citation: Rahman Hosseinzadeh, Yaghoub Sarrafi, Nora Aghili. An efficient and mild protocol for the synthesis of unsymmetrical ureas in the absence of catalyst and additives[J]. Chinese Chemical Letters, 2010, 21(10): 1171-1174. doi: 10.1016/j.cclet.2010.06.014
Citation: Rahman Hosseinzadeh, Yaghoub Sarrafi, Nora Aghili. An efficient and mild protocol for the synthesis of unsymmetrical ureas in the absence of catalyst and additives[J]. Chinese Chemical Letters, 2010, 21(10): 1171-1174. doi: 10.1016/j.cclet.2010.06.014
An efficient and mild protocol for the synthesis of unsymmetrical ureas in the absence of catalyst and additives
摘要:
A new practical method for the synthesis of unsymmetrical ureas was achieved by reaction of phenylurea with primary and secondary amines under neutral and mild condition in very good yields. The reaction took place in refluxing dioxane and does not require any catalyst or additives.
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关键词:
- Unsymmetrical ureas
- / Phenylurea
- / Amines
- / Uncatalyzed reaction
English
An efficient and mild protocol for the synthesis of unsymmetrical ureas in the absence of catalyst and additives
Abstract:
A new practical method for the synthesis of unsymmetrical ureas was achieved by reaction of phenylurea with primary and secondary amines under neutral and mild condition in very good yields. The reaction took place in refluxing dioxane and does not require any catalyst or additives.
-
Key words:
- Unsymmetrical ureas
- / Phenylurea
- / Amines
- / Uncatalyzed reaction
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