📜(E,E)-2,4-己二烯二酸二甲酯置于platinum On Carbon 氧气,对苯二酚体系中,用 间二甲苯 用作溶剂,化学反应 168.0H,反应生成1,2,4-苯三羧酸三甲酯 参考文献: Continuous Dehydrogenation Of 1,4-Carboxylate Substituted Cyclohexenes[fr] Déshydrogénation En Continu De Cyclohexènes Substitués Par 1,4-Carboxylate 标题: Continuous Dehydrogenation Of 1,4-Carboxylate Substituted Cyclohexenes[fr] Déshydrogénation En Continu De Cyclohexènes Substitués Par 1,4-Carboxylate 摘要:一种方法,包括将含有1和4位置的环己烯环的羧酸酯衍生物,以及可选的2位置,与一个或多个脱氢催化剂接触,可选地在一个或多个氧化剂的存在下,在连续流模式下在条件下,制备含有芳香环和1和4位置的羧酸酯衍生物,以及可选的2位置的化合物.该发明还涉及从可再生资源衍生的起始材料衍生的这种化合物.
专利号:US-7319155-B2 优先权日:2004-05-14 标题:7,7-disubstituted (5H,9H)-6,8-dioxabenzocycloheptene compounds useful in the synthesis of non-steroidal analogues of vitamin D 发明人:TERRANOVA ERIC; PASCAL JEAN-CLAUDE 权利人:GALDERMA RES & DEV 摘要:Novel 7,7-disubstituted (5H,9H)-6,8-dioxabenzocycloheptene compounds having the structural formula (I): n nare useful intermediates in the synthesis of non-steroidal derivatives of vitamin D.
专利号:EP-1747213-B1 优先权日:2004-05-14 标题 :Novel 7,7-disubstituted derivatives of (5h,9h)-6,8-dioxabenzocycloheptene, preparation method thereof and use of same in the synthesis of non-steroidal vitamin d analogues 发明人:TERRANOVA ERIC; PASCAL JEAN-CLAUDE 权利人:GALDERMA RES & DEV 摘要:Optionally 7-substituted or 7,7-disubstituted 2-(formyl or substituted methyl)-(5H,9H)-6,8-dioxabenzocycloheptenes (I) are new. Dioxabenzocycloheptene derivatives of formula (I) and their optical isomers are new. A : -CH 2Y 1> or -CHO; Y 1>halo (specifically Cl or Br), OH, OSO 3R 2> or P(O)(OR 3>) 2; R, R 1>H (but preferably not both H), alkyl, alkoxy or aryl (optionally substituted by 1-5 of halo, alkyl, alkoxy, CN and/or NO 2); or R + R 1>group completing a 5-6C ring (specifically a cyclopentane or cyclohexane ring); R 2>alkyl or aryl; R 3>alkyl. Independent claims are included for: (A) the preparation of (I); (B) the synthesis of non-steroidal vitamin D analogs, specifically (3,4-bis-hydroxymethyl-phenyl)-methyl-substituted biphenyl derivatives of formula (IV), using (I) in at least one of the stages; and (C) the use of biphenyl derivatives of formula (II) for the preparation of (IV). X : CH 2, NH, NR 8> or O; R 4>, R 5>, R 8>1-3C alkyl; R 6>, R 7>Me, Et, CF 3 or C 2F 5; Z 1>OH, NHR 8>, NH 2 or CHO. [Image] [Image] ACTIVITY : None given. MECHANISM OF ACTION : None given.
专利号:US-6350875-B1 优先权日:1999-08-16 标 题:Synthesis of cyclooctatetraene derivatives and their use as electron transporters in organic light emitting diodes 发明人:WEBER WILLIAM P; LU PING; THOMPSON MARK E; HONG HAIPING 权利人:UNIV SOUTHERN CALIFORNIA 摘要:The synthesis of asymmetric tetrasubstituted cyclooctatetraenes (“COTsâ€?) and the use of said compounds in organic light emitting diodes is reported, wherein said COTs represent a class of wide gap electron transporters that are readily deposited in vacuum.
专利号:CA-2563931-C 优先权日:2004-05-14 标 题:Novel 7,7-disubstituted derivatives of (5h,9h)-6,8-dioxabenzocycloheptene, preparation method thereof and use of same in the synthesis of non-steroidal vitamin d analogues
专利号:US-2007117989-A1 优先权日:2004-05-14 标 题 :Novel 7,7-disubstituted (5H,9H)-6,8-dioxabenzocycloheptene compounds useful in the synthesis of non-steroidal analogues of vitamin D
专利号:WO-2005116007-A1 优先权日:2004-05-14 标 题:Novel 7,7-disubstituted derivatives of (5h,9h)-6,8-dioxabenzocycloheptene, preparation method thereof and use of same in the synthesis of non-steroidal vitamin d analogues
摘要:SRI. 1996 Directory of Chemical Producers-United States of America. Menlo Park, CA: SRI International, 1996., p. 982 摘要:Kirk-Othmer Encyclopedia of Chemical Technology. 3rd ed., Volumes 1-26. New York, NY: John Wiley and Sons, 1978-1984., p. V17 735 摘要:S109 | PARCEDC | List of 7074 potential endocrine disrupting compounds (EDCs) by PARC T4.2 | DOI:10.5281/zenodo.10944198 摘要:Fogel, M. S.; Shellnutt, Z. S.; Koide, K., Science of Synthesis: Dearomatizations, (2026) .