发明名称 |
Glyoxalderivate und Verfahren zu ihrer Herstellung |
摘要 |
New glyoxal derivs. have formula (RO)2CHCH(OY)OR (I) R = (substd.) 1-4C alkyl or (substd.) 3-5C alkenyl; Y = H or 2-4C acyl. 1-Acetoxy-1,2,2 -triethoxy-ethane; 1-acetoxy-1,2,2-triallyloxy-ethane; 1-hydroxy-1,2,2 -triallyloxy-ethane and 1-hydroxy-1,2,2 -triethoxy-ethane are specificallyclaimed. To prepare (I) a glyoxal acetal of formula (RO)2CHCH(OR)2 is reacted with a stoichiometric amt. of a carboxylic acid anhydride of formula (R1)2O, to give I (Y = acyl), which can be saponified to I (Y = H). |
申请公布号 |
DE3518075(C2) |
申请公布日期 |
1994.11.03 |
申请号 |
DE19853518075 |
申请日期 |
1985.05.20 |
申请人 |
SOCIETE FRANCAISE HOECHST, PUTEAUX, HAUTS-DE-SEINE, FR |
发明人 |
CHASTRETTE, FRANCINE, CALUIRE, FR;CHASTRETTE, MAURICE, CALUIRE, FR;STAMBOULI, ABDELHAMID, VILLEURBANNE, FR |
分类号 |
C07C41/48;C07C43/317;(IPC1-7):C07C69/21 |
主分类号 |
C07C41/48 |
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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