专利号:US-8822702-B2 优先权日:2002-12-20 标 题 :Synthesis of amines and intermediates for the synthesis thereof 发明人:BERENS ULRICH; DOSENBACH OLIVER; SPRENGER DANIEL 权利人:BERENS ULRICH; DOSENBACH OLIVER; SPRENGER DANIEL; BASF SE 摘要:The invention relates in a first embodiment to a method for the manufacture of esters of the formula I, n nor especially of amides of the formula II,n n nwherein the symbols have the meanings given in the specification, as well as other intermediates and compounds useful in the synthesis of tryptamines and other substances mentioned in the title. The synthesis methods and intermediates are useful in the synthesis of pharmaceuticals.
专利号:WO-2025119975-A1 优先权日:2023-12-04 标 题:A method for synthesis of harmine 发明人:HETT ROBERT; GRAB HANUSCH; LAGOUTTE ROMAN 权利人:RECONNECT LABS AG 摘要:The invention relates to a method of synthesis of a compound of formula (I), harmine, according to the method comprising a step of transforming the compound of formula (II), into the compound of formula (I). The invention further relates to a compound of formula (II), which is an intermediate in synthesis of harmine according to the present invention.
专利号:US-12162849-B2 优先权日:2018-12-21 标题 :Synthesis of 3-methyl-1,2,4-thiadiazole-5-carbohydrazide or of the methyl-d3 deuterated form thereof 发明人:HOVEYDA HAMID; DUTHEUIL GUILLAUME 权利人:OGEDA SA 摘要:The present invention relates to a method of synthesis of compound (I), wherein R1 represents methyl or methyl-d3, thus corresponding to 3-methyl-1,2,4-thiadiazole-5-carbohydrazide or to the methyl-d3 deuterated form thereof. These compounds are useful as key intermediates in the synthesis of pharmaceutical compounds, especially fezolinetant and deuterated fezolinetant.
专利号:US-11427530-B2 优先权日:2018-02-09 标 题 :Synthesis of 4-chlorokynurenines and intermediates 发明人:LEVIN DANIEL; LEEMING PETER; EISENREICH EMERICH; LIU XUEJUN KARL 权利人:VISTAGEN THERAPEUTICS INC 摘要:The invention relates to an overall enantio-specific synthesis of 4-chlorokynurenine compounds, in particular L-4-chlorokynurenine, with improved yields. Large-scale syntheses are disclosed. The invention also relates to novel intermediates in the synthesis of L-4-chlorokynurenine.
专利号:US-4794199-A 优先权日:1984-07-05 标题:Process for synthesis of primary amines from olefins, syngas and ammonia 发明人:LIN JIANG-JEN; KNIFTON JOHN F 权利人:TEXACO INC 摘要:This invention concerns the synthesis of primary amines from olefins, synthesis gas and ammonia via an amination process in the presence of a cobalt catalyst, an ether solvent and a tertiary group VB donor ligand.
专利号:US-2023286918-A1 优先权日:2020-07-02 标 题:Manufacturing process for 3,5-dichloropicolinonitrile for synthesis of vadadustat 发明人:JURKAUSKAS VALDAS; JUNG YOUNG CHUN; KWON TAESOO; KANNAN ARUNACHALAM; GONDI VIJAYA BHASKER 权利人:AKEBIA THERAPEUTICS INC 摘要:Disclosed herein are methods and processes of preparing vadadustat or a pharmaceutically acceptable salts thereof, and intermediates (e.g., a compound of Formula (I), (I-F), (II), or (IV), or a pharmaceutically acceptable salts thereof) useful for the synthesis of vadadustat.
摘要:Black, D. A.; Fagnou, K., Science of Synthesis, (2010) 45, 591. 摘要:Black, D. A.; Fagnou, K., Science of Synthesis, (2010) 45, 602. 摘要:Toyota, S.; Iwanaga, T., Science of Synthesis, (2010) 45, 748. 摘要:Abou-Hadeed, K.; Hansen, H.-J., Science of Synthesis, (2010) 45, 1052. 摘要:Black, D. A.; Fagnou, K., Science of Synthesis, (2010) 45, 555.