Claims
- 1. Dicyclopentyl dicarbonate.
- 2. A method for the introduction of a cyclopentyloxycarbonyl group comprising acylating a nitrate which has been reduced with dicyclopentyl dicarbonate according to claim 1.
- 3. A method for the introduction of a cyclopentyloxycarbonyl group comprising acylating an amine with dicyclopentyl dicarbonate according to claim 1.
- 4. The method of claim 2 wherein the nitrate which has been reduced is a nitro-indole wherein the nitro group is attached at the 4-, 5-, 6- or 7-position of the indole ring.
- 5. The method of claim 3 wherein the amine is an aminoindole wherein the amino group is attached at the 4-, 5-, 6- or 7-position of the indole ring.
- 6. The method of claim 2 wherein the nitrate which has been reduced is a compound of the formula ##STR16## wherein X.sub.2 is ##STR17##
- 7. The method of claim 2 wherein the nitrate which has been reduced is a compound of the formula ##STR18## wherein X.sub.2 is ##STR19##
Priority Claims (1)
Number |
Date |
Country |
Kind |
03136/91 |
Oct 1991 |
CHX |
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Parent Case Info
This is a continuation of Ser. No. 07/964,186, filed Oct. 21, 1992, now abandoned.
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Entry |
Matassa, et al.; "Evolution of a Series of Peptidoleukotriene Antagonists: Synthesis and Structure/Activity Relations of 1,3,5-Substituted Indoles and Indazoles", J. Med. Chem. 1990, 33, 1781-1790. |
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Continuations (1)
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Number |
Date |
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Parent |
964186 |
Oct 1992 |
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