Claims
- 1. At least one compound defined according to the structure: ##STR124## wherein one of the dashed lines represents a carbon-carbon double bond and the other of the dashed lines represents a carbon-carbon single bond; wherein R.sub.4 represents methyl or ethyl; wherein one of R.sub.1, R.sub.2 and R.sub.3 represents 2-methyl-1-propenyl or 2-methyl-1-propylidenyl; and the other of R.sub.1, R.sub.2 and R.sub.3 represent hydrogen; with the provisos that:
- (i) when the dashed line at the 3-4 position is a double bond, then R.sub.3 is hydrogen or 2-methyl-1-propenyl;
- (ii) when the dashed line at the 2-3 position is a double bond, then R.sub.2 is hydrogen or 2-methyl-1-propenyl;
- (iii) when R.sub.4 is ethyl, then R.sub.2 is methyl and the double bond is at the 2-3 position; and
- (iv) when R.sub.4 is methyl, then R.sub.2 is hydrogen; 2-methyl-1-propenyl or 2-methyl-1-propylidenyl.
- 2. The compound of claim 1 having a structure selected from the group consisting of: ##STR125##
- 3. The compound of claim 1 wherein the compound has a structure selected from the group consisting of: ##STR126##
- 4. A process for carrying out the reaction: ##STR127## wherein R.sub.4 " is hydrogen or methyl; wherein R.sub.4 ' is methyl or hydrogen; wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are defined according to claim 1; and wherein the reaction is carried out in the presence of a catalyst selected from the group consisting of sodium hydroxide, potassium hydroxide and barium hydroxide and in the presence of a solvent selected from the group consisting of ethanol, methanol and isopropanol; and at a temperature in the range of from about 25.degree. C. up to about 120.degree. C.; wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond.
- 5. The product prepared according to the process of claim 4.
- 6. The process of claim 4 wherein R.sub.4 " and R.sub.4 ' represent hydrogen and R.sub.4 is methyl.
- 7. The product produced according to the process of claim 6.
Parent Case Info
This is a divisional of application Ser. No. 343,580, filed 1/28/82 now U.S. Pat. No. 4,400,311.
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2851497 |
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Non-Patent Literature Citations (1)
Entry |
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Divisions (1)
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Number |
Date |
Country |
Parent |
343580 |
Jan 1982 |
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