Claims
- 1. A compound of the formula: ##STR17## in which R is halomethyl wherein halo refers to chlorine, bromine or iodine and the methyl group is mono- or di-substituted;
- R.sub.1 is selected from the group consisting of alkyl having 1-4 carbon atoms, inclusive; and phenyl;
- R.sub.2 is selected from the group consisting of hydrogen and methyl; and,
- R.sub.3 is selected from the group consisting of p-toluenesulfonyl and p-chlorophenylsulfonyl.
- 2. A compound as defined in claim 1 wherein R is chloromethyl, R.sub.1 is methyl, R.sub.2 is hydrogen and R.sub.3 is p-toluenesulfonyl.
- 3. A compound as defined in claim 1 wherein R is dichloromethyl, R.sub.1 is methyl, R.sub.2 is hydrogen and R.sub.3 is p-toluenesulfonyl.
- 4. A compound as defined in claim 1 wherein R is bromomethyl, R.sub.1 is methyl, R.sub.2 is hydrogen and R.sub.3 is p-chlorophenylsulfonyl.
Parent Case Info
This is a division of application Ser. No. 220,925, filed Dec. 29, 1980, now U.S. Pat. No. 4,400,203.
US Referenced Citations (4)
Divisions (1)
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Number |
Date |
Country |
Parent |
220925 |
Dec 1980 |
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