Antioxidants and methods of making and using the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07C-233/05
C09K-015/16
출원번호
UP-0975141
(2007-10-17)
등록번호
US-7767853
(2010-08-24)
발명자
/ 주소
Cholli, Ashok L.
Kumar, Rajesh
Canteenwala, Taizoon
Kumar, Vijayendra
출원인 / 주소
Polnox Corporation
대리인 / 주소
Hamilton, Brook, Smith & Reynolds, P.C.
인용정보
피인용 횟수 :
7인용 특허 :
94
초록
The present invention is directed to a compound represented by Structural Formula I: wherein the variables are described herein. Also included are methods of making the compounds of Structural Formula (I) and methods of using the compounds as antioxidants.
대표청구항▼
What is claimed is: 1. A compound represented by Structural Formula I: wherein: R and R′ are independently H or optionally substituted alkyl and at least one of R and R′ is H; Z is —C(O)NRc—, —NRcC(O)—, —NRc—, —CRc═N—,
What is claimed is: 1. A compound represented by Structural Formula I: wherein: R and R′ are independently H or optionally substituted alkyl and at least one of R and R′ is H; Z is —C(O)NRc—, —NRcC(O)—, —NRc—, —CRc═N—, —C(O)—, —C(O)O—, —OC(O)—, —O—, —S—, —C(O)OC(O)— or a bond; Rc is independently H or optionally substituted alkyl; Ra, for each occurrence, is independently an optionally substituted alkyl, optionally substituted aryl, optionally substituted alkoxycarbonyl, optionally substituted ester, —OH, —NH2, —SH; Rb, for each occurrence, is independently H or optionally substituted alkyl; s, for each occurrence, is independently integers from 0 to 4; and m and n, for each occurrence, are independently integers from 0 to 6. 2. The compound of claim 1, wherein: Z is —C(O)O—, —OC(O)—, —C(O)NH—, —NHC(O)—, —NH—, —O— or —C(O)—; Rb is H; Ra, for each occurrence is independently an optionally substituted alkyl or optionally substituted alkoxycarbonyl; n and m, for each occurrence, are independently integers from 0 to 2; and s, for each occurrence, is independently an integer from 0 to 2. 3. The compound of claim 2, wherein: Z is —C(O)NH— or —NHC(O)—; Ra, for each occurrence is independently an alkyl or an alkoxycarbonyl; and s is 2. 4. The compound of claim 3, wherein each Ra is independently an alkyl group. 5. The compound of claim 1, wherein the compound is represented by Structural Formula II: wherein: R and R′ are independently H or optionally substituted alkyl and at least one of R and R′ is H; Ra, for each occurrence, is independently an optionally substituted alkyl, optionally substituted aryl, optionally substituted alkoxycarbonyl, optionally substituted ester, —OH, —NH2, or —SH; Rb, for each occurrence, is independently H or optionally substituted alkyl. s, for each occurrence, is independently an integer from 0 to 4; and m, for each occurrence, is independently an integer from 0 to 6. 6. The compound of claim 5, wherein: Ra, for each occurrence, is independently an optionally substituted alkyl; Rb is H; s, for each occurrence, is independently an integer from 0 to 2; and m, for each occurrence, is independently an integer from 0 to 2. 7. The compound of claim 6, wherein Ra is independently an alkyl and s is 2. 8. The compound of claim 1, wherein the compound is represented by Structural Formula III: wherein: R and R′ are independently H or optionally substituted alkyl and at least one of R and R′ is H. 9. The compound of claim 8, wherein R and R′ are H. 10. The compound of claim 8, wherein R is H and R′ is an alkyl. 11. The compound of claim 10, wherein R′ is a C1-C15 alkyl. 12. The compound of claim 11, wherein R′ is a C10 alkyl. 13. The compound of claim 12, wherein R′═—(CH2)9CH3. 14. A method of inhibiting oxidation in an oxidizable material comprising combining the oxidizable material with a compound represented by Structural Formula I wherein: R and R′ are independently H or optionally substituted alkyl and at least one of R and R′ is H; Z is —C(O)NRc—, —NRcC(O)—, —NRc—, —CRc═N—, —C(O)—, —C(O)O—, —OC(O)—, —O—, —S—, —C(O)OC(O)— or a bond; Rc is independently H or optionally substituted alkyl; Ra, for each occurrence, is independently an optionally substituted alkyl, optionally substituted aryl, optionally substituted alkoxycarbonyl, optionally substituted ester, —OH, —NH2, —SH; Rb, for each occurrence, is independently H or optionally substituted alkyl; s, for each occurrence, is independently an integer from 0 to 4; and m and n, for each occurrence, are independently integers from 0 to 6. 15. The method of claim 14, wherein Z is —C(O)O—, —OC(O)—, —C(O)NH—, —NHC(O)—, —NH—, —O— or —C(O)—; Rb is H; Ra, for each occurrence is independently an optionally substituted alkyl or optionally substituted alkoxycarbonyl; n and m, for each occurrence, are independently integers from 0 to 2; and s, for each occurrence, is independently an integer from 0 to 2. 16. The method of claim 15, wherein: Z is —C(O)NH— or —NHC(O)—; Ra, for each occurrence is independently an alkyl or an alkoxycarbonyl; and s is 2. 17. The method of claim 16, wherein each Ra is independently an alkyl group. 18. The method of claim 14, wherein the compound is represented by Structural Formula II: wherein: R and R′ are independently H or optionally substituted alkyl and at least one of R and R′ is H; Ra, for each occurrence, is independently an optionally substituted alkyl, optionally substituted aryl, optionally substituted alkoxycarbonyl, optionally substituted ester, —OH, —NH2, or —SH; Rb, for each occurrence, is independently H or optionally substituted alkyl. s, for each occurrence, is independently an integer from 0 to 4; and m, for each occurrence, is independently an integer from 0 to 6. 19. The method of claim 18, wherein: Ra, for each occurrence, is independently an optionally substituted alkyl; Rb is H; s, for each occurrence, is independently an integer from 0 to 2; and m, for each occurrence, is independently an integer from 0 to 2. 20. The method of claim 19, wherein Ra is independently an alkyl and s is 2. 21. The method of claim 14, wherein the compound is represented by Structural Formula III: wherein: R and R′ are independently H or optionally substituted alkyl and at least one of R and R′ is H. 22. The method of claim 21, wherein R and R′ are H. 23. The method of claim 21, wherein R is H and R′ is an alkyl. 24. The method of claim 23, wherein R′ is a C1-C15 alkyl. 25. The method of claim 24, wherein R′ is a C10 alkyl. 26. The method of claim 25, wherein R′═—(CH2)9CH3. 27. The method of claim 14, wherein the oxidizable material is an organic polymer or plastic. 28. The method of claim 14, wherein the oxidizable material is an elastomer. 29. The method of claim 14, wherein the oxidizable material is a lubricant. 30. The method of claim 14, wherein the oxidizable material is a petroleum based product. 31. The method of claim 14, wherein the oxidizable material is an edible oil or cooking oil. 32. The method of claim 14, wherein the oxidizable material is a cosmetic. 33. The method of claim 14, wherein the oxidizable material is a processed food product.
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이 특허에 인용된 특허 (94)
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