Claims
- 1. A chemical compound having the formula ##STR4## wherein X is selected from the group consisting of Br, Cl and I, R.sup.5 is [H,] an alkyl group or a benzyl group, and R.sup.4 is an alkyl group, an allyl group, a propargyl group or a benzyl group.
- 2. The chemical compound of claim 1 wherein X is Br or I.
- 3. The chemical compound of claim 1 wherein R.sup.5 is a C.sub.1 -C.sub.6 alkyl group.
- 4. The chemical compound of claim 1 wherein R.sup.4 is an ethyl group [--CH.sub.2 CH.sub.3 ].
- 5. The chemical compound of claim 1 wherein R.sup.5 is a methyl group [--CH.sub.3 ]
FIELD OF THE INVENTION
This is a divisional of application(s) Ser. No. 08/609,900, filed on Mar. 4, 1996, U.S. Pat. No. 5,744,605, which is a continuation application of application Ser. No. 08/085,190, filed Jun. 30, 1993, abandoned.
Non-Patent Literature Citations (1)
Entry |
Curran DP and Liu H. J. Am. Chem. Soc. 114, pp. 5863-5864, Jul. 1, 1992. |
Divisions (1)
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Number |
Date |
Country |
Parent |
609900 |
Mar 1996 |
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Continuations (1)
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085190 |
Jun 1993 |
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