发明人高志强,林芳,郭海燕. "Method for the Synthesis of ethyl 5-(chlorosulfonyl)-1-benzothiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116700322 B, 授权公告日 2020-10-21.
Klinger H, Patel M V, Roberts E F. "A Process for Preparing High-Purity ethyl 5-(chlorosulfonyl)-1-benzothiophene-2-carboxylate" [P]. US Patent, US 11761050 B2, 2022-09-14.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of ethyl 5-(chlorosulfonyl)-1-benzothiophene-2-carboxylate in Pharmaceutical Formulations". J. Nat. Prod., 2014, 2126, 9384-9397.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 5-(chlorosulfonyl)-1-benzothiophene-2-carboxylate as an Impurity". Anal. Chim. Acta, 2011, 1477, (11), 2691-2716.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 5-(chlorosulfonyl)-1-benzothiophene-2-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2015, 283, (5), 6389-6396.