Claims
- 1. A compound of formula (II') ##STR12## in which R is a C.sub.1 -C.sub.3 -alkyl, which compound is in optically pure form in an enantiomeric excess above 90%, provided that the methoxy group is not in position 5 of the naphthalene ring.
- 2. A compound selected from the group consisting of:
- methyl 6-methoxy-1,2,3,4-tetrahydro-(2S)-2-naphthoate;
- methyl 7-methoxy-1,2,3,4-tetrahydro-(2S)-2-naphthoate; and
- methyl 8-methoxy-1,2,3,4-tetrahydro-(2S)-2-naphthoate,
- which compound is in optically pure form in an enantiomeric excess above 90%.
- 3. 8-methoxy-1,2,3,4-tetrahydro-(2R)-2-naphthoic acid in optically pure form in an enantiomeric excess above 90%.
- 4. 8-methoxy-1,2,3,4-tetrahydro-(2S)-2-naphthoic acid in optically pure form in an enantiomeric excess above 90%.
Priority Claims (1)
Number |
Date |
Country |
Kind |
94400863 |
Apr 1994 |
EPX |
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Parent Case Info
This application is a division of application Ser. No. 08/425,743, filed Apr. 20, 1995, now U.S. Pat. No. 5,573,949.
Non-Patent Literature Citations (2)
Entry |
Chem. Abstracts 105:172006 (1986). |
Chem Abstracts 98:125571 (1982). |
Divisions (1)
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Number |
Date |
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Parent |
425743 |
Apr 1995 |
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