Ring-contraction from benzo[b][1,4]thiazines to benzo[d]thiazolines induced by oxygen
Liao, SR; Tang, Y; Xu, L; Zhou, XF; Wang, JF; Yang, B; Liu, YH; yonghongliu@scsio.ac.cn
2017
发表期刊TETRAHEDRON
卷号73期号:1页码:98-107
摘要An unexpected ring-contraction from benzo[b]pyrazino[1,2-d][1,4]thiazine-1,4-diones (6) to benzo[4,5] thiazolo[3,2-a]pyrazine-1,4-diones (7) has been developed. The preliminary mechanistic studies showed the transformation contained two independent steps: the first step is the formation of a Michael adduct upon the addition of the protic solvent, in the presence of base, to the C-2-C-3 double bond of compound 6, and the second step is a ring-contraction induced by oxygen via the migration of sulfur atom from C-2 to C-3 position. And its scope is also studied. (C) 2016 Elsevier Ltd. All rights reserved.
部门归属[Liao, Sheng-Rong; Tang, Yong; Xu, Liang; Zhou, Xue-Feng; Wang, Jun-Feng; Yang, Bin; Liu, Yong-Hong] Chinese Acad Sci, CAS Key Lab Trop Marine Bioresources & Ecol, Guangdong Key Lab Marine Mat Med, Res Ctr Marine Microbes,South China Sea Inst Ocea, Guangzhou 510301, Guangdong, Peoples R China
关键词Benzo[d]Thiazoline Benzo[b][1 Ring-contraction 4]Thiazine Protic Solvent Oxygen
资助项目LMB
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/16226
专题中科院海洋生物资源可持续利用重点实验室
通讯作者yonghongliu@scsio.ac.cn
推荐引用方式
GB/T 7714
Liao, SR,Tang, Y,Xu, L,et al. Ring-contraction from benzo[b][1,4]thiazines to benzo[d]thiazolines induced by oxygen[J]. TETRAHEDRON,2017,73(1):98-107.
APA Liao, SR.,Tang, Y.,Xu, L.,Zhou, XF.,Wang, JF.,...&yonghongliu@scsio.ac.cn.(2017).Ring-contraction from benzo[b][1,4]thiazines to benzo[d]thiazolines induced by oxygen.TETRAHEDRON,73(1),98-107.
MLA Liao, SR,et al."Ring-contraction from benzo[b][1,4]thiazines to benzo[d]thiazolines induced by oxygen".TETRAHEDRON 73.1(2017):98-107.
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