专利号:US-11891375-B2 优先权日:2021-07-26 标 题 :Method for the synthesis of 2,4-dimethylpyrimidin-5-ol, intermediates, and method for the synthesis of Lemborexant using the intermediates 发明人:AKHATOU ABDESLAM; DOBARRO RODRÃ?GUEZ ALICIA 权利人:MOEHS IBERICA SL 摘要:A method is for the synthesis of 2,4-dimethylpyrimidin-5-ol, which can be used as an intermediate compound in the synthesis of Lemborexant. The method includes reacting a nitrophenyl compound with N,N-dimethylformamide diethyl acetal.
专利号:US-9828336-B2 优先权日:2012-02-17 标题:Methods and compounds useful in the synthesis of orexin-2 receptor antagonists 发明人:MONIZ GEORGE ANTHONY; WILCOXEN ANNIE ZHU; BENAYOUD FARID; TANAKA TOSHIAKI; SORIMACHI KEIICHI 权利人:EISAI R&D MAN CO LTD 摘要:The present disclosure provides compounds and methods that are useful for the preparation of compounds useful as orexin-2 receptor antagonists.
专利号:US-2023092143-A1 优先权日:2021-07-26 标 题:Method for the synthesis of 2,4-dimethylpyrimidin-5-ol, intermediates, and method for the synthesis of lemborexant using the intermediates
专利号:ES-2933074-B2 优先权日:2021-07-26 标 题 :SYNTHESIS PROCEDURE OF 2,4-DIMETHYLPYRIMIDIN-5-OL, NEW INTERMEDIATE OF SUCH PROCEDURE AND USE OF THE PRODUCT IN THE SYNTHESIS OF LEMBOREXANT
专利号:CN-104114524-B 优先权日:2012-02-17 标 题 :Methods and compounds for the synthesis of orexin-2 receptor antagonists
专利号:CN-105153044-A 优先权日:2015-09-15 标 题 :A kind of method for the one-pot synthesis of sulfadoxine of HPLC monitoring reaction progress