417722-95-3Relevant articles and documents
Preparation method of lenvatinib and preparation method of lenvatinib intermediate
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Paragraph 0130-0132; 0134-0139, (2021/07/01)
The invention discloses a preparation method of lenvatinib and a preparation method of a lenvatinib intermediate. The preparation method of an amide compound as shown in a formula II comprises the following step: in a solvent, carrying out amidation react
Preparation method of lenvatinib intermediate
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, (2020/07/12)
The invention discloses a preparation method of a lenvatinib intermediate. The preparation method comprises the following steps: carrying out a nucleophilic substitution reaction among a compound shown as a formula I, a compound shown as a formula II and
Synthesis method of lenvatinib and new intermediate
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, (2020/07/24)
The invention discloses a synthesis method of lenvatinib and a new intermediate. The method comprises the following steps: step 1, taking 4-amino-3-chlorophenol hydrochloride and 4-chloro-7-methoxy-6-amido quinoline as initial raw materials, and carrying
Preparation method of high-purity lenvatinib mesylate crystal form C
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, (2020/10/04)
The invention belongs to the technical field of pharmaceutical chemicals and especially relates to a preparation method of a lenvatinib mesylate crystal form C. According to the method, the conditions of high temperature, acid serving as a solvent and the
PROCESS FOR THE PREPARATION OF LENVATINIB OR ITS SALTS THEREOF
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, (2019/05/30)
The present invention provides a process for the preparation of Lenvatinib or its salts thereof. The present invention also provides a crystalline form of Lenvatinib, which is characterized by the PXRD pattern as shown in figure 1. The present invention a
NOVEL POLYMORPHS OF 4-[3-CHLORO-4-(N'-CYCLOPROPYL UREIDO)PHENOXY]-7-METHOXYQUINOLINE-6-CARBOXAMIDE, ITS SALTS AND PROCESS FOR THE PREPARATION THEREOF
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, (2019/06/23)
The present invention relates to novel polymorphs of 4-[3-chloro-4-(N'- cyclopropyl ureido) phenoxy]-7- methoxyquinoline- 6- carboxamide methanesulfonate represented by following structural formula-1a and process for preparation thereof. Further, the pres
Preparation method of lenvatinib and its salts
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, (2019/06/30)
The invention discloses a preparation method of lenvatinib and its salts, wherein N-methylpyrrolidone is used as a reaction solvent in the step of condensation with phenyl chloroformate. The preparation method has the advantages that the danger is success
Preparation method of high-purity lenvatinib and salt thereof
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, (2019/10/10)
The invention relates to a preparation method of lenvatinib and salt thereof. The adopted method for preparing the lenvatinib has the advantages that the process is simple, the cost is low, the purity is high, the single-purity content meets the regulatio
Method for synthesizing lenvatinib
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, (2018/04/03)
The invention discloses a method for synthesizing lenvatinib. The method comprises the following steps: with 7-methoxy-4-oxo-1,4-dihydro-quinoline-6-formamide as an initial raw material, carrying outan oxo-arylation reaction on the initial raw material an
Nitrogen-containing aromatic derivatives
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, (2008/06/13)
Compounds represented by the following general formula: [wherein Ag is an optionally substituted 5- to 14-membered heterocyclic group, etc.; Xg is —O—, —S—, etc.; Yg is an optionally substituted C6-14 aryl group, an optionally substituted 5- to 14-membered heterocyclic group, etc.; and Tg1 is a group represented by the following general formula: (wherein Eg is a single bond or —N(Rg2)—, Rg1 and Rg2 each independently represent a hydrogen atom, an optionally substituted C1-6 alkyl group, etc. and Zg represents a C1-8 alkyl group, a C3-8 alicyclic hydrocarbon group, a C6-14 aryl group, etc.)], salts thereof or hydrates of the foregoing.