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【结 构 式】

【分子编号】13540

【品名】(2E,6E)-2,6,10-Trimethyl-2,6,10-dodecatrienoic anhydride

【CA登记号】

【 分 子 式 】C30H46O3

【 分 子 量 】454.69344

【元素组成】C 79.25% H 10.2% O 10.56%

与该中间体有关的原料药合成路线共 1 条

合成路线1

该中间体在本合成路线中的序号:(III)

By reaction of prednisolone (11beta,12alpha-dihydroxypregna-1,4-diene-3,20-dione) (I) with either I) 2E,6E-farnesylic acid (3,7,11-trimethyl-2(E),6(E),10-dodecatrienoic acid (II) with a suitable condensing agent (e.g., DDC) and a disubstituted aminopyridine (e.g., DMAP) in an organic solvent (e.g., CH2Cl2), or II) 2E,6E-farnesylic anhydride (III) in the presence of DMAP in CH2Cl2, or with III) 2E,6E-farnesilyl chloride (IV) in the presence of pyridine in a mixture of CH2Cl2 and THF.

1 Mizushima, Y.; Hoshi, K.; Igarashi, R.; Ajioka, H.; Yamamoto, N.; Komuro, M.; Kanehira, K.; Inoue, M.; Nishida, T.; Shiono, M.; Terasawa, M.; Arizono, K. (Kuraray Co., Ltd.; Taiho Pharmaceutical Co., Ltd.); 11beta,17alpha-Trihydroxy-1,4-pregnadiene-3,20-dione 21-[(E,E)-3,7,11-trimethyl-2,6,10-dodecatrienoate]. EP 0332143; JP 1989316396; JP 1989316397; US 5278156 .
2 Okada, M.; Kanehira, K. (Kuraray Co., Ltd.; Taiho Pharmaceutical Co., Ltd.); Anti-asthmatic agents. JP 1991223214 .
3 Castaner, J.; Graul, A.; Prous, J.; Prednisolone Farnesylate. Drugs Fut 1993, 18, 9, 805.
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(I) 13538 (8S,9S,10R,11S,13S,14S,17R)-17-Glycoloyl-11,17-dihydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one; Prednisolone 50-24-8 C21H28O5 详情 详情
(II) 13539 (2E,6E)-3,7,11-Trimethyl-2,6,10-dodecatrienoic acid C15H24O2 详情 详情
(III) 13540 (2E,6E)-2,6,10-Trimethyl-2,6,10-dodecatrienoic anhydride C30H46O3 详情 详情
(IV) 13541 (2E,6E)-3,7,11-Trimethyl-2,6,10-dodecatrienoyl chloride C15H23ClO 详情 详情
Extended Information