کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5217110 | 1383285 | 2013 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Urotropine-bromine promoted synthesis of functionalized oxaspirotricyclic furopyrimidines via a domino Knoevenagel condensation/Michael addition/α-bromination/Williamson cycloetherification sequence in water
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Urotropine-bromine promoted synthesis of functionalized oxaspirotricyclic furopyrimidines via a domino Knoevenagel condensation/Michael addition/α-bromination/Williamson cycloetherification sequence in water Urotropine-bromine promoted synthesis of functionalized oxaspirotricyclic furopyrimidines via a domino Knoevenagel condensation/Michael addition/α-bromination/Williamson cycloetherification sequence in water](/preview/png/5217110.png)
چکیده انگلیسی
An efficient, safe and facile route to functionalized spiro[furo[2,3-d]pyrimidine-6,5â²-pyrimidine] derivatives has been developed by a one-pot pseudo three-component domino coupling of aromatic aldehydes and (thio)barbituric acids in the presence of urotropine-bromine (UB) complex in water at room temperature. The reaction sequence consists of an initial Knoevenagel condensation of aromatic aldehydes with (thio)barbituric acids, followed by Michael addition of the second equivalent of (thio)barbituric acid derivatives, and then UB-catalyzed Williamson cycloetherification to afford the products.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron - Volume 69, Issue 33, 19 August 2013, Pages 6804-6809
Journal: Tetrahedron - Volume 69, Issue 33, 19 August 2013, Pages 6804-6809
نویسندگان
Mohammad Bagher Teimouri, Peyman Akbari-Moghaddam, Mahnaz Motaghinezhad,