发明名称 |
Process for producing taurine analogues, such as thiotaurine |
摘要 |
The present invention relates to a process for producing amino/guanidinothiosulfonic acid, which comprises treating a styrenedivinylbenzene copolymer sulfonate of amino/guanidinoethyl disulfoxide into contact with an alkali, selectively eluting amino/guanidinosulfinic acid, then reacting this product in a non-aqueous solvent in the presence of a base, and passing the reaction product through a weakly acidic cation exchange resin column; in accordance with the present invention, hypotaurine, thiotaurine and the like having a high purity can industrially be produced. |
申请公布号 |
EP0884307(A3) |
申请公布日期 |
1999.12.15 |
申请号 |
EP19980202760 |
申请日期 |
1996.08.07 |
申请人 |
SOGO PHARMACEUTICAL COMPANY LIMITED |
发明人 |
OHSUMI, TOMOKO;TASHIRO, TOMOYASU;KATSUMATA, MANABU;UCHIKUGA, SABUROH |
分类号 |
C07C313/02;C07C381/04 |
主分类号 |
C07C313/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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