Claims
- 1. A process for the preparation of a 3-methoxy-2-isopropyl-2-isopentylpropionic alkyl ester, said process comprising the step of reacting a 3-hydroxy-2-isopropyl-2-isopentylpropionic alkyl ester with a halogenated methyl or methyl paratoluenesulfonate in the presence of a dehalogenating agent.
- 2. A process for the preparation of a 3-methoxy-2-isopropyl-2-isopentylpropionic alkyl ester, said process comprising the step of reacting a 3-methoxy-2-isopropyl-2-isopentylpropionic compound with an alcohol.
- 3. A 2-formyl-2-isopropyl-5-methyl-hexanoic alkyl ester represented by formula (II): ##STR9## wherein R represents a lower alkyl group having from 1 to 4 carbon atoms.
- 4. A 3-hydroxy-2-isopropyl-2-isopentylpropionic alkyl ester represented by formula (III): ##STR10## wherein R represents a lower alkyl group having from 1 to 4 carbon atoms.
Priority Claims (3)
Number |
Date |
Country |
Kind |
6-259143 |
Sep 1994 |
JPX |
|
6-285249 |
Nov 1994 |
JPX |
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6-293226 |
Nov 1994 |
JPX |
|
Parent Case Info
This is a divisional of application Ser. No. 09/221,849 filed Dec. 29, 1998, which is a divisional of application Ser. No. 08/535,514 filed Sep. 28, 1995, now U.S. Pat. No. 6,015,867, the disclosure of which is incorporated herein by reference.
US Referenced Citations (4)
Number |
Name |
Date |
Kind |
4187196 |
Giannini et al. |
Feb 1980 |
|
4785133 |
Raynolds et al. |
Nov 1988 |
|
4827021 |
Jones et al. |
May 1989 |
|
5041403 |
Nakajo et al. |
Aug 1991 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
0 383 346 A2 |
Aug 1990 |
EPX |
Non-Patent Literature Citations (1)
Entry |
Villieras, Preparation ... Reactive, Journal of Organometallic Chemistry, vol. 102, No. 2, pp. 129-140., Dec. 1975. |
Divisions (2)
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Number |
Date |
Country |
Parent |
221849 |
Dec 1998 |
|
Parent |
535514 |
Sep 1995 |
|