WO1999062874A1 - Derives de trifluoro methylthiomethyl benzene et leur procede de production - Google Patents
Derives de trifluoro methylthiomethyl benzene et leur procede de production Download PDFInfo
- Publication number
- WO1999062874A1 WO1999062874A1 PCT/JP1999/002884 JP9902884W WO9962874A1 WO 1999062874 A1 WO1999062874 A1 WO 1999062874A1 JP 9902884 W JP9902884 W JP 9902884W WO 9962874 A1 WO9962874 A1 WO 9962874A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- trifluoromethylthiomethylbenzene
- general formula
- chloro
- cyano
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/14—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
Definitions
- the present invention relates to a trifluoromethylthiomethylbenzene derivative useful as an intermediate when synthesizing pharmaceuticals and agricultural chemicals, and a method for producing the same.
- the selectivity of the target compound is low, and it is difficult to produce a trifluoromethylthiomethylbenzene derivative with a satisfactory yield.
- the ozone layer depletion It uses a reagent that uses trifluoromethyl halide (fluorocarbon), which is a substance and a global warming gas, as a base material.
- fluorocarbon trifluoromethyl halide
- the above methods 5) and 6) involve great difficulties in industrially producing trifluoromethylthiomethylbenzene derivatives, such as the high toxicity of the reaction reagents, which makes industrial availability difficult. I was
- the trifluoromethylthiomethylbenzene derivative produced by the production method of the present invention contains a novel compound that is useful as an intermediate in the synthesis of pharmaceuticals and agricultural chemicals. was found.
- the present invention provides a method for preparing a compound represented by the following general formula (1):
- R is a hydrogen atom; a halogen atom; an alkyl group; an alkoxy group; an alkoxycarbonyl group; a cyano group; a nitro group; or a halogen atom, an alkyl group, an alkoxy group, an aliphatic and aromatic acyl group, or a nitro group.
- X represents a halogen atom; an alkylsulfonyloxy group; or an arylsulfonyloxy group which may be substituted with an alkyl group or a halogen atom.
- the present invention provides the following trifluoromethylthiomethylbenzene derivative represented by the above general formula (2).
- the benzyl halide derivative used in the method of the present invention may be any compound represented by the general formula (1).
- R in the general formula (1) is a hydrogen atom; an octogen atom (specifically, a chlorine atom, a bromine atom, an iodine atom, and a fluorine atom; hereinafter, the “halogen atom” is synonymous); Group (specifically, an alkyl group having 1 to 6 carbon atoms, more specifically, methyl group, ethyl group, n-propyl group, i-propyl group, n-butyl group, i-butyl group, t-butyl group Group, sec-butyl group, n-pentyl group, n-hexyl group, etc.
- alkyl group is synonymous.
- Alkoxy group alkoxy group having 1 to 6 carbon atoms, more specifically Specifically, methoxy, ethoxy, n_propoxy, i-propoxy, n-butoxy, i-butoxy, t-butoxy, sec-butoxy, n-pentyloxy, n- Examples thereof include a hexoxy group.
- Alkoxycarbonyl group ⁇ Specifically (C1-6 alkoxy) —CO— group, more specifically, methoxycarbonyl group, ethoxycarbonyl group, n-propoxy group Force Ruponyl group, i-propoxycarbonyl group, n-butoxycarbonyl group, i-butoxycarbonyl group, t-butoxycarbonyl group, sec-butoxycarbonyl group, n-pentyloxycarbonyl group, n-hexyloxycarbo
- Illustrative examples include a hydroxyl group.
- alkoxycarbonyl group means the same.
- Any benzoyl group which may be substituted with a group or an alkoxycarbonyl group may be used.
- n represents an integer of 2 or more, Rs may be the same or different independently.
- halogenated benzyl derivative having the substituents Rn and X and represented by the general formula (1) examples include, for example, benzyl chloride, benzylbutamide, 4-chlorobenzyl chloride, and 4-chlorobenzene.
- Benzyl bumid 2-chloro benzyl chloride, 4-chloromethylbenzophenone, 4-chloromethyl-14, chlorobenzo-1,4-bromomethyl-4, benzophenone, 4-chloromethyl -4'-Methylpenzophenone, 4-Chloromethyl-1 2'-Chlorobenzophenone, 2-Chloromethyl-1,4, Chlorobenzobenzoenone, 2,4-Dichlorobenzyl chloride, 2,4-Dichloro Benzylbutamide, 3,4-dichlorobenzyl chloride, 3,4-dichlorobenzylbutamide, 4-methylbenzyl chloride, 4-methoxybenzyl chloride, 4- ⁇ Bruno benzyl chloride, 4-nitro downy Nji Rukurorido, 2, 4-dinitro base Njirukurorido, 2, 4-di nitrobenzyl blanking opening bromide, 4 Metokishikarupo two point pen Jill chloride, 4 one eth
- the amount of potassium fluoride used in the method of the present invention may be 3 to 9 equivalents relative to thiophosgene.
- acetonitrile is used as a solvent, and it is necessary that the acetonitrile be dehydrated. preferable.
- the amount of acetonitrile used may be in the range of 2 to 10 and preferably in the range of 4 to 81 with respect to 1 mol of the benzyl halide derivative represented by the general formula (1).
- the reaction is carried out at a temperature of from 20 to 70 ° C, preferably from 0 to 30 ° C.
- the trifluoromethylthiomethylbenzene derivative represented by the general formula (2), which is the target compound, can be isolated by a conventional method, and includes the following novel compounds which have not been described in the literature. included.
- the present invention provides a commercially available trifluoromethyl thiomethylbenzene derivative, which is useful as an intermediate in the synthesis of pharmaceuticals and agricultural chemicals, without using ozone-depleting substances and CFC, a global warming gas. It is a useful method that can be produced with high yield and high purity using various raw materials.
- the present invention can also provide a novel trifluoromethylthiomethylbenzene derivative, which is useful as an intermediate in synthesizing pharmaceuticals and agricultural chemicals.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/463,845 US6225505B1 (en) | 1998-06-01 | 1999-05-31 | Trifluoro methylthiomethyl benzene derivatives and process for production same |
EP99922594A EP1000933B1 (en) | 1998-06-01 | 1999-05-31 | Trifluoro methylthiomethyl benzene derivatives and process for producing the same |
DE69932578T DE69932578T8 (de) | 1998-06-01 | 1999-05-31 | Trifluoro-methylthiomethyl-benzolderivate und verfahren zu ihrer herstellung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/167752 | 1998-06-01 | ||
JP16775298 | 1998-06-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999062874A1 true WO1999062874A1 (fr) | 1999-12-09 |
Family
ID=15855451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/002884 WO1999062874A1 (fr) | 1998-06-01 | 1999-05-31 | Derives de trifluoro methylthiomethyl benzene et leur procede de production |
Country Status (5)
Country | Link |
---|---|
US (1) | US6225505B1 (ja) |
EP (1) | EP1000933B1 (ja) |
DE (1) | DE69932578T8 (ja) |
ES (1) | ES2268867T3 (ja) |
WO (1) | WO1999062874A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2010100307A4 (en) | 2010-01-04 | 2010-06-03 | Keki Hormusji Gharda | A method for the preparation of perfluoroalkyl sulfenyl chloride |
DE102010021341A1 (de) | 2010-05-22 | 2011-11-24 | Merck Patent Gmbh | Leuchtstoffe |
DE102010031755A1 (de) | 2010-07-21 | 2012-02-09 | Merck Patent Gmbh | Aluminat-Leuchtstoffe |
DE102010045368A1 (de) | 2010-09-14 | 2012-03-15 | Merck Patent Gmbh | Silicophosphat-Leuchtstoffe |
CN104610107B (zh) * | 2015-02-13 | 2016-06-15 | 江苏凌云药业有限公司 | 一种4-三氟甲硫基硝基苯的制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08295663A (ja) * | 1995-04-27 | 1996-11-12 | Takeda Chem Ind Ltd | アミノエチレン誘導体およびその用途 |
JPH093038A (ja) * | 1995-04-19 | 1997-01-07 | Kumiai Chem Ind Co Ltd | ベンジルスルフィド誘導体、その製造方法及び有害生物防除剤 |
-
1999
- 1999-05-31 WO PCT/JP1999/002884 patent/WO1999062874A1/ja active IP Right Grant
- 1999-05-31 US US09/463,845 patent/US6225505B1/en not_active Expired - Lifetime
- 1999-05-31 ES ES99922594T patent/ES2268867T3/es not_active Expired - Lifetime
- 1999-05-31 DE DE69932578T patent/DE69932578T8/de active Active
- 1999-05-31 EP EP99922594A patent/EP1000933B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH093038A (ja) * | 1995-04-19 | 1997-01-07 | Kumiai Chem Ind Co Ltd | ベンジルスルフィド誘導体、その製造方法及び有害生物防除剤 |
JPH08295663A (ja) * | 1995-04-27 | 1996-11-12 | Takeda Chem Ind Ltd | アミノエチレン誘導体およびその用途 |
Non-Patent Citations (2)
Title |
---|
See also references of EP1000933A4 * |
SHEPPARD W A: "SUBSTITUTED METHYL GROUPS SUBSTITUENT EFFECTS", TETRAHEDRON, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 27, 1 January 1971 (1971-01-01), AMSTERDAM, NL, pages 945 - 951, XP002919459, ISSN: 0040-4020, DOI: 10.1016/S0040-4020(01)92493-7 * |
Also Published As
Publication number | Publication date |
---|---|
DE69932578D1 (de) | 2006-09-14 |
DE69932578T2 (de) | 2007-07-26 |
ES2268867T3 (es) | 2007-03-16 |
DE69932578T8 (de) | 2007-12-27 |
EP1000933B1 (en) | 2006-08-02 |
EP1000933A4 (en) | 2005-03-02 |
EP1000933A1 (en) | 2000-05-17 |
US6225505B1 (en) | 2001-05-01 |
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