Organic Letters p. 204 - 208 (2020)
Update date:2022-08-11
Topics:
Mondal, Pravat
Solel, Ephrath
Mitra, Shubhanjan
Keinan, Ehud
Reany, Ofer
This study confirms the hypothesis that bambusurils (BUs) with equatorial sulfur atoms cannot assume an anion-binding jigger conformation due to strong intramolecular van der Waals attractive interactions. NMR, X-ray crystallography, and computation with newly synthesized eq-semithio-BU[4] and ax-semiaza-eq-semithio-BU[4]s indicate that they all assume compact conformations. Intramolecular distances and a torsional angle serve as reliable indicators of the conformation of any BU. Chemoselective alkylation at the peripheral (equatorial) thiourea functions provides a convenient entry to novel hetero-BUs.
View MoreChangsha Goomoo Chemical Technology Co.Ltd
Contact:+86-731-82197655
Address:No.649,Chezhan Rd.(N),Changsha,Hunan,China
Jiangxi Hito Chemical Co., Ltd.
Contact:+86-792-3170318
Address:No. 6, Tianhong Ave., Xinghuo Industry Park, Yongxiu, Jiujiang, Jiangxi, China
hangzhou verychem science and technology co.ltd
website:http://www.verypharm.com
Contact:+86-571-88162785; 88162786
Address:F1502, 753 Shenhua road, Hangzhou, China
Anhui Redstar Pharmaceutical Corp., Ltd
Contact:+86-563-5120837
Address:Jingxian Industrial Development Zone, Anhui , China
Contact:+86--29-82745382
Address:Development Area Of Lantian Country,Xi'an Shanxi.China
Doi:10.1016/j.bmc.2007.07.033
(2007)Doi:10.1016/j.tet.2014.12.088
(2015)Doi:10.1016/0022-328X(84)80587-2
(1984)Doi:10.1016/S0022-1139(02)00342-1
(2003)Doi:10.1016/0006-3002(60)91226-9
()Doi:10.1080/14756366.2016.1243534
(2017)