【结 构 式】 |
【分子编号】16507 【品名】5-methylnicotinic acid 【CA登记号】3222-49-9 |
【 分 子 式 】C7H7NO2 【 分 子 量 】137.13812 【元素组成】C 61.31% H 5.14% N 10.21% O 23.33% |
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:(VIII)The key intermediate (VI) is synthesized through the condensation of 5-methylnicotinic acid (VIII) with 4-hydroxypiperidine by means of DCC in DMF to give amide (IX), followed by reduction with POCl3 and NaBH4 to give the amino alcohol (X), which is treated with SOCl2.
【1】 Carceller, E.; Jiménez, P.J.; Salas, J. (J. Uriach & Cia., SA); Process for the preparation of 8-chloro-6,11-dihydro-11-[1-[(5-methyl-3-pyridinyl)methyl]-4-piperidinylidene]-5H-benzo[5,6]cyclohepta[1,2-b]pyridine. ES 9602107 . |
【2】 García-Rafanell, J.; Rupatadine Fumarate. Drugs Fut 1996, 21, 10, 1032. |
中间体序号 | 中间体编号 | 品名 | CAS号 | 分子式 | 供应商 | 用于合成 |
---|---|---|---|---|---|---|
12076 | 4-Piperidinol; 4-Hydroxypiperidine | 5382-16-1 | C5H11NO | 详情 | 详情 | |
(VI) | 16505 | 4-chloro-1-[(5-methyl-3-pyridinyl)methyl]piperidine | C12H17ClN2 | 详情 | 详情 | |
(VIII) | 16507 | 5-methylnicotinic acid | 3222-49-9 | C7H7NO2 | 详情 | 详情 |
(IX) | 16508 | (4-hydroxypiperidino)(5-methyl-3-pyridinyl)methanone | C12H16N2O2 | 详情 | 详情 | |
(X) | 16509 | 1-[(5-methyl-3-pyridinyl)methyl]-4-piperidinol | C12H18N2O | 详情 | 详情 |
Extended Information