| 发明名称 |
METHOD FOR PREPARING CRYSTALLINE 3-0-ALKYL-ASCORBIC ACID |
| 摘要 |
<p>The present invention relates to a method for preparing 3- O- substituted ascorbic acid derivatives represented by formula 1, in which 5, 6-O-isopropylidene ascorbic acid is reacted with a halide in an organic solvent in the presence of the anion exchange resin absorbed with multi-iodine anions and then deprotected. The method of the present invention has an advantage of providing a target compound with high purity and high yield by finishing the reaction within a short period of time at room temperature.</p> |
| 申请公布号 |
WO2008044809(A1) |
申请公布日期 |
2008.04.17 |
| 申请号 |
WO2006KR05274 |
申请日期 |
2006.12.07 |
| 申请人 |
COSMOL CO. LTD;PARK, SUNG-RYOUNG;LEE, GEON-MIN |
发明人 |
PARK, SUNG-RYOUNG;LEE, GEON-MIN |
| 分类号 |
C07D307/62 |
主分类号 |
C07D307/62 |
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