Expedient Synthesis of Furo[2,3-d][1,3]thiazinamines and Pyrano[2,3-d][1,3]thiazinamines from Enones and Thiourea

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• 作者：Yong-Jin Wu ; Jason Guernon ; Hyunsoo Park ; Lorin A. Thompson
• 刊名：Journal of Organic Chemistry
• 出版年：2016
• 出版时间：April 15, 2016
• 年：2016
• 卷：81
• 期：8
• 页码：3386-3390
• 全文大小：292K
• 年卷期：0
• ISSN：1520-6904

文摘

Michael addition of thiourea to enones with subsequent intramolecular aminal ether formation provided easy access to furo[2,3-d]thiazinamines and pyrano[2,3-d][1,3]thiazin-2-amines. These amines served as versatile intermediates to a variety of beta-amyloid cleaving enzyme-1 (BACE1) inhibitors.