Claims
- 1. A compound of the formula II: ##SPC18##
- wherein R represents hydrogen, lower alkyl and lower alkanoyl; R' represents lower alkyl.
- 2. A compound according to claim 1 wherein R represents methyl, ehtyl, butyl, and acetyl; and wherein R' represents methyl and ethyl.
- 3. A compound according to claim 1 which is 2,2-difluoro-4,5-dimethyl-2H-1,3,2-dioxaborino[5,4-c]-1,2-benzothiazine 6,6-dioxide.
- 4. A compound according to claim 1 which is 4-ethyl-2,2-difluoro-5-methyl-2H-1,3,2-dioxaborino[5,4-c]1,2-benzothiazine 6,6-dioxide.
- 5. A compound according to claim 1 which is 5-acetyl-2,2-difluoro-4-methyl-2H-1,3,2-dioxaborino[5,4-c]1,2-benzothiazine 6,6-dioxide.
- 6. A compound according to claim 1 which is 5-ethyl-2,2-difluoro-4-methyl-2H-1,3,2-dioxaborino[5,4-c]1,2-benzothiazine 6,6-dioxide.
- 7. A compound according to claim 1 which is 5-n-butyl-4-methyl-2H-1,3,2-dioxaborino[5,4-c]1,2-benzothiazine 6,6-dioxide.
Parent Case Info
This is a division of application Ser. No. 365,398 filed May 29, 1973, now U.S. Pat. No. 3,898,218.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
3898218 |
Kaminsky |
Aug 1975 |
|
Divisions (1)
|
Number |
Date |
Country |
Parent |
365398 |
May 1973 |
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