The Photochemical Mediated Ring Contraction of 4H-1,2,6-Thiadiazines To Afford 1,2,5-Thiadiazol-3(2H)-one 1-Oxides.
The Photochemical Mediated Ring Contraction of 4H-1,2,6-Thiadiazines To Afford 1,2,5-Thiadiazol-3(2H)-one 1-Oxides.
复制标题
DOI:
10.1021/acs.orglett.3c02673
复制
发表时间:
2023-09-22
期刊:
影响因子:
5.2
通讯作者:
Vilela, Filipe
中科院分区:
文献类型:
--
作者:
Broumidis, Emmanouil;Thomson, Christopher G.;Gallagher, Brendan;Sotorrios, Lia;Mckendrick, Kenneth G.;Macgregor, Stuart A.;Paterson, Martin J.;Lovett, Janet E.;Lloyd, Gareth O.;Rosair, Georgina M.;Kalogirou, Andreas S.;Koutentis, Panayiotis A.;Vilela, Filipe
1,2,6-Thiadiazines treated with visible light and 3O2 under ambient conditions are converted into difficult-to-access 1,2,5-thiadiazole 1-oxides (35 examples, yields of 39–100%). Experimental and theoretical studies reveal that 1,2,6-thiadiazines act as triplet photosensitizers that produce 1O2 and then undergo a chemoselective [3 + 2] cycloaddition to give an endoperoxide that ring contracts with selective carbon atom excision and complete atom economy. The reaction was optimized under both batch and continuous-flow conditions and is also efficient in green solvents.
登录
查看更多内容
影响因子:
5.2
作者:
Ioannidou, Heraklidia A.;Kizas, Christos;Koutentis, Panayiotis A.
通讯作者:
Koutentis, Panayiotis A.
影响因子:
3.6
作者:
Kalogirou, Andreas S.;Kourtellaris, Andreas;Koutentis, Panayiotis A.
通讯作者:
Koutentis, Panayiotis A.
影响因子:
2.1
作者:
Kalogirou, Andreas S. S.;Kourtellaris, Andreas;Koutentis, Panayiotis A. A.
通讯作者:
Koutentis, Panayiotis A. A.
影响因子:
5.2
作者:
Kalogirou, Andreas S.;Kourtellaris, Andreas;Koutentis, Panayiotis A.
通讯作者:
Koutentis, Panayiotis A.
影响因子:
15
作者:
AMATO, JS;KARADY, S;WEINSTOCK, LM
通讯作者:
WEINSTOCK, LM