5-ALKOXY-3-ISOXAZOLIDINONE, ITS PRODUCTION AND USE THEREOF
PURPOSE:To obtain the subject new compound useful as an intermediate for a medicine, an agrochemlcal, etc. CONSTITUTION:A compound of the formula (R is a lower alkoxyl) such as 5-methoxy-3-isoxazolidinone. The compound is obtained by reacting a 3-lower alkoxyacrylic acid lower alkyl ester with hydro...
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| Main Authors | , |
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| Format | Patent |
| Language | English |
| Published |
19.12.1995
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| Edition | 6 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | PURPOSE:To obtain the subject new compound useful as an intermediate for a medicine, an agrochemlcal, etc. CONSTITUTION:A compound of the formula (R is a lower alkoxyl) such as 5-methoxy-3-isoxazolidinone. The compound is obtained by reacting a 3-lower alkoxyacrylic acid lower alkyl ester with hydroxylamine in water, a lower alcohol or a mixed solvent of water and the lower alcohol in the presence of an alkali metal hydroxide at -20 to 50 deg.C and then treated with an acid (e.g. hydrochloric acid). Further, an alcohol is removed from the compound of the formula in water, a lower alcohol or a mixed solvent of water and the lower alcohol in the presence of an alkali metal hydroxide and the resultant substance is treated with an acid to readily give 3-hydroxyisoxazole useful as a synthetic intermediate for a medicine, an agrochemical, etc., in high yield. |
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| AbstractList | PURPOSE:To obtain the subject new compound useful as an intermediate for a medicine, an agrochemlcal, etc. CONSTITUTION:A compound of the formula (R is a lower alkoxyl) such as 5-methoxy-3-isoxazolidinone. The compound is obtained by reacting a 3-lower alkoxyacrylic acid lower alkyl ester with hydroxylamine in water, a lower alcohol or a mixed solvent of water and the lower alcohol in the presence of an alkali metal hydroxide at -20 to 50 deg.C and then treated with an acid (e.g. hydrochloric acid). Further, an alcohol is removed from the compound of the formula in water, a lower alcohol or a mixed solvent of water and the lower alcohol in the presence of an alkali metal hydroxide and the resultant substance is treated with an acid to readily give 3-hydroxyisoxazole useful as a synthetic intermediate for a medicine, an agrochemical, etc., in high yield. |
| Author | SOEJIMA TADASHI SHIMURA KAZUHIKO |
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| Notes | Application Number: JP19940119855 |
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| RelatedCompanies | SANKYO KASEI KOGYO KK |
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| Snippet | PURPOSE:To obtain the subject new compound useful as an intermediate for a medicine, an agrochemlcal, etc. CONSTITUTION:A compound of the formula (R is a lower... |
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| Title | 5-ALKOXY-3-ISOXAZOLIDINONE, ITS PRODUCTION AND USE THEREOF |
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