Compounds comprising a linear series of five fused carbon rings, and preparation thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C09B-003/50
H01L-051/10
출원번호
UP-0130190
(2005-05-17)
등록번호
US-7655809
(2010-03-31)
발명자
/ 주소
Fallis, Alexander Graham
Heuft, Matthew Allen
Bénard, Christophe
출원인 / 주소
University of Ottawa
인용정보
피인용 횟수 :
3인용 특허 :
18
초록▼
The present application discloses methods for the production of organic compounds comprising a linear series of five fused carbon rings. Such compounds are useful in the production of electronic components, devices and materials. For example the methods disclosed permit the production of 2,9- and 2,
The present application discloses methods for the production of organic compounds comprising a linear series of five fused carbon rings. Such compounds are useful in the production of electronic components, devices and materials. For example the methods disclosed permit the production of 2,9- and 2,10-disubstituted pentacene compounds that present particularly advantageous properties for the manufacture of semiconductor materials, and may be used in devices such as for example thin film transistors and solar cells. Also disclosed are compounds that are excellent candidates for use in the manufacture of semiconductor materials, and other components of electronic systems, by virtue of their solubility, crystal packing geometries, and electronic properties.
대표청구항▼
The invention claimed is: 1. A method for the preparation of a compound comprising at least one linear series of five fused carbon rings, the method comprising the steps of: (a) providing an unsubstituted or substituted 1,4,5,8-anthradiquinone of the general formula I: wherein each R group is
The invention claimed is: 1. A method for the preparation of a compound comprising at least one linear series of five fused carbon rings, the method comprising the steps of: (a) providing an unsubstituted or substituted 1,4,5,8-anthradiquinone of the general formula I: wherein each R group is independently selected from the group consisting of hydrogen, an electron-withdrawing group, halogen, trialkylsilylalkynyl, and amine; (b) providing an unsubstituted or substituted acyclic, cyclic, or heterocyclic diene of the general formula IIa or IIb: wherein each R group is independently selected from the group consisting of hydrogen, an electron-withdrawing group, halogen, trialkylsilyl trialkylsilylalkynyl, alkoxy, aryloxy, and amine, and X is C, O, S, or N; (c) performing a double or stepwise cycloaddition reaction between the 1,4,5,8-anthradiquinone and the diene to generate a core structure comprising five fused carbon rings sequentially identified as rings A, B, C, D, and E in the compound of formula III: wherein each R group is as previously defined. 2. The method of claim 1, further comprising the steps of: (d) performing a ring opening reaction to convert a bridged form of each of rings A and E to an unbridged form; and (e) optionally performing an aromatization reaction or equivalent on the A, and E rings of the core structure; wherein steps (d) and (e) can be performed in any order. 3. The method of claim 1, wherein isomeric products are generated, the method further comprising the step of: (d) replacing or adding selected substituents. 4. The method of claim 1, further comprising the step of: (d) subjecting the compound to reducing conditions to generate a corresponding unsubstituted or substituted pentacene. 5. The method of claim 1, further comprising the step of: (d) separating isomeric products. 6. The method of claim 1, further comprising the step of: (d) performing a coupling reaction to link two or more core structures. 7. The method of claim 1, wherein step (c) comprises a double Diels-Alder reaction between the anthradiquinone and two diene molecules. 8. The method of claim 1, wherein in step (b) R26 or R27 comprises A-B, wherein A is a protective group, and B is a group to be protected, and wherein the method generates an compound of the formula III: wherein R2, and R9 or R10 are A-B, and each remaining R is each independently unsubstituted or substituted. 9. The method of claim 8, wherein further comprising replacing each A-B at R2, and R9 or R10 with an alternative substituent. 10. The method of claim 4, wherein the step of reducing generates a pentacene compound of formula IV: wherein R2, and R9 or R10 are A-B, and each remaining R is each independently unsubstituted or substituted. 11. The method of claim 10, further comprising replacing each A-B at R2, and R9 or R10 with an alternative substituent. 12. The method of claim 11, wherein R2, and R9 or R10 comprise an unsubstituted or substituted group selected from acetylene, alkyl, aryl, heteroaryl, alkenyl, and alkynyl. 13. The method of claim 12, wherein R2 and R9 or R10 comprise acetylene or a linker comprising one or more triple bonds, optionally substituted by halogen and/or triflate. 14. The method of claim 6, wherein the method comprises step (d) thereby to generate an oligomeric compound comprising multiple units of said core structure linked by acetylene groups at the 2, and 9 or 10 positions. 15. The method of claim 10, wherein each A-B comprises Si(R30, R31, R32) wherein each of R30, R31, R32 in conjunction with Si acts to provide a protective group. 16. The method of claim 15, wherein each A-B comprises TMS, TES, TBS, TIPS, diphenyl tertiary butyl, OSi, OH, OTf, OTs, OMs, ONs, NSi, acetylene, phthalocyanine as a metal complex or free ligand, fullerene, Buckminsterfullerene C60R100, wherein R100 is hydrogen or any substituent, or fullerene linked to the pentacene core via acetylene, or Buckminsterfullerene C60R100 linked to the pentacene core via acetylene, or phthalocyanine as a metal complex or free ligand linked to the pentacene core via acetylene. 17. The method of claim 16, wherein each B is O, S, Se, or N. 18. The method of claim 3, wherein in the step of replacing or adding selected substituents comprises replacing each A-B with Tf-O, halogen, or a substituent comprising a metal atom selected from Al, B, Cu, Co, Cr, Fe, Li, Mg, Ni, Pd, Pt, Si, Sn, Ti, and Zn. 19. The method of claim 18, wherein the method further comprises replacing each Tf-O with an acetylene group, or a group comprising a linker comprising one or more triple bonds. 20. The method of claim 5, wherein the step of separating comprises high performance liquid chromatography or fractional crystallization. 21. The method of claim 1, wherein R25 is a leaving group comprising OAlk, NAlk, or halide, wherein each Alk comprises an alkyl group of from 1 to 12 carbon atoms. 22. The method of claim 1 for the preparation of a pentacene comprising substitutions at least at the 2 positions, and the 9 or 10 position, the method comprising the steps of: (a) performing a stepwise or double Diels-Alder reaction by reacting a compound of formula IIa or IIb: wherein A is a protective group, B is a group to be protected, and each R group is independent selected from H or a substituent, and X is C, O, S, or N, with a compound of formula I: wherein each R group is independently selected from H or a substituent, and if necessary (b) optionally performing a ring opening reaction to covert a bridged form of each of rings A and E, to an unbridged form; and (c) optionally performing an aromatization reaction or equivalent on the A, and E rings of the core structure; wherein the method generates a mixture of compounds of formula V and VI: wherein A is a protective group, B is a group to be protected, and each R group is independent selected from H or a substituent. 23. The method of claim 22 further comprising the step of: (c) separating the compounds of formula (V) and formula (VI), and selecting the compound of formula (V) and/or the compound of formula (VI) for further processing. 24. The method of claim 22 further comprising the step of: (c) replacing each A or each A-B with an alternative substituent, with or without a linker comprising one or more triple bonds to form a 2,9- and/or a 2,10-disubstituted diquinone. 25. The method of claim 22 further comprising the step of: (c) subjecting the 2,9- and/or the 2,10-disubstituted diquinone to reducing conditions to generate a pentacene substituted at least in the 2 position, and the 9 or 10 position.
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