Calix[8]arene Sulfonic Acid Catalyzed Three-Component Reaction for Convenient Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones/thiones under Ultrasonic Irradiation
Author:
Affiliation:
1. Department of Pharmacy, Xuzhou Medical College
2. Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical College
Publisher
Pharmaceutical Society of Japan
Subject
Pharmaceutical Science,Pharmacology,General Medicine
Link
https://www.jstage.jst.go.jp/article/bpb/39/2/39_b15-00681/_pdf
Reference31 articles.
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3. 3) Atwal KS, Swanson BN, Unger SE, Floyd DM, Moreland S, Hedberg A, O’Reilly BC. Dihydropyrimidine calcium channel blockers. 3-Carbamoyl-4-aryl-1,2,3,4-tetrahydro-6-methyl-5-pyrimidinecarboxylic acid esters as orally effective antihypertensive agents. J. Med. Chem., 34, 806–811 (1991).
4. 4) Kappe CO, Fabian WMF, Semones MA. Conformational analysis of 4-aryl-dihydropyrimidine calcium channel modulators. A comparison of ab initio, semiempirical and X-ray crystallographic studies. Tetrahedron, 53, 2803–2816 (1997).
5. 5) Atwal KS, Rovnyak GC, O’Reilly BC, Schwartz J. Substituted 1,4-dihydropyrimidines. 3. Synthesis of selectively functionalized 2-hetero-1,4-dihydropyrimidines. J. Org. Chem., 54, 5898–5907 (1989).
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