Claims
- 1. A new composition of matter consisting essentially of a pyrazine sulfur compound having the general formula: ##SPC66##
- wherein R is methyl, ethyl, furfuryl or acetyl.
- 2. The composition of matter of claim 1 wherein the pyrazine sulfur compound is 2,5-dimethyl-3-methylthio-pyrazine.
- 3. The composition of matter of claim 1 wherein the pyrazine sulfur compound is 2,5-dimethyl-3-ethylthio-pyrazine.
- 4. The composition of matter of claim 1 wherein the pyrazine sulfur compound is 2,5-dimethyl-3-furfurylthio-pyrazine.
- 5. The composition of matter of claim 1 wherein the pyrazine sulfur compound is 2,5-dimethyl-3-acetylthio-pyrazine.
Parent Case Info
This is a division of now abandoned application Ser. No. 243,866 filed Apr. 13, 1972, which is a division of application Ser. No. 70,560 filed Sept. 8, 1970, now U.S. Pat. No. 3,702,253; which latter application is a continuation of now-abandoned application Ser. No. 543,069 filed Apr. 18, 1966, which is a continuation-in-part of now-abandoned application Ser. No. 452,342 filed Apr. 30, 1965.
Non-Patent Literature Citations (1)
Entry |
castle et al., I. Heterocyclic Chem., 3, 79-83 (1966). |
Divisions (2)
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Number |
Date |
Country |
Parent |
243866 |
Apr 1972 |
|
Parent |
70560 |
Sep 1970 |
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Continuation in Parts (2)
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Number |
Date |
Country |
Parent |
543069 |
Apr 1966 |
|
Parent |
452342 |
Apr 1965 |
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