1033090-34-4Relevant articles and documents
[...] intermediate and its preparation and [...] preparation (by machine translation)
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Paragraph 0074-0077; 0081-0084; 0088-0091; 0095-0098, (2019/01/08)
The present invention relates to the field of drug synthesis, discloses a [...] key intermediate 1 - (2 - chloro - 4 - hydroxy-phenyl) - 3 - ring propyl urea and its preparation and [...] preparation. The music-cutting of the Buddhist intermediate, its pu
Preparation method of lenvatinib
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Paragraph 0032; 0033; 0034; 0035; 0036; 0037, (2017/07/22)
The invention relates to a preparation method of lenvatinib, and concretely relates to a method for preparing lenvatinib through a one-step reaction formation reaction. The preparation method of lenvatinib has the advantages of small amount of generated impurities difficult to remove, easy post-treatment, convenient quality control in the bulk drug production process, and provision of convenience for researches of subsequent preparations.
Azide monoliths as convenient flow reactors for efficient Curtius rearrangement reactions
Baumann, Marcus,Baxendale, Ian R.,Ley, Steven V.,Nikbin, Nikzad,Smith, Christopher D.
experimental part, p. 1587 - 1593 (2008/10/09)
The preparation and use of an azide-containing monolithic reactor is described for use in a flow chemistry device and in particular for conducting Curtius rearrangement reactions via acid chloride inputs. The Royal Society of Chemistry 2008.