• English
  • 简体中文
Login Register
Current Location: Home > Feedback Help Print

【结 构 式】

【分子编号】34364

【品名】2-ethylbenzohydrazide

【CA登记号】

【 分 子 式 】C9H12N2O

【 分 子 量 】164.20716

【元素组成】C 65.83% H 7.37% N 17.06% O 9.74%

与该中间体有关的原料药合成路线共 3 条

合成路线1

该中间体在本合成路线中的序号:(II)

The condensation of ethyl 3-metboxybenzimidate (I) with 2-ethybenzoic hydrazide (II) in refluxing CH2Cl2 gives the benzoylamidrazone (III), which is then cyclized by means of K2CO3 in refluxing 2-etoxyethanol.

1 Omodei-Salé, A.; Galliani, G.; Consonni, P.; A new class of nonhormonal pregnancy-terminating agents. Synthesis and contragestational activity of 3,5-diaryl-s-triazoles. J Med Chem 1983, 26, 8, 1187-92.
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) 34363 ethyl 3-methoxybenzenecarboximidoate C10H13NO2 详情 详情
(II) 34364 2-ethylbenzohydrazide C9H12N2O 详情 详情
(III) 34365 N'-(2-ethylbenzoyl)-3-methoxybenzenecarbohydrazonamide C17H19N3O2 详情 详情

合成路线2

该中间体在本合成路线中的序号:(II)

A new method for the synthesis of DL-111-IT has been reported: By cyclization of m-methoxybenzonitrile (I) with ethoxybenzoylhydrazide (II) in refluxing methanol.

1 Neelima; Bhaduri, A.P.; Reaction of substituted acid hydrazides with substituted benzonitriles: Formatio of isomeric triazoles. Indian J Chem 1983, 22B, 1, 79-80.
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) 36250 3-methoxybenzonitrile 1527-89-5 C8H7NO 详情 详情
(II) 34364 2-ethylbenzohydrazide C9H12N2O 详情 详情

合成路线3

该中间体在本合成路线中的序号:(I)

By cyclization of ethyl m-methoxybenzimidate (I) with 2-ethylbenzoyl hydrazide (II) at 125 C.

1 Omodei Sale, A.; Consonni, P.; Galliani, G.; Lerner, L. (Lepetit SpA); 3,5-Disubstd.-1H-1,2,4-triazoles. DE 2819372 .
2 Hillier, K.; Blancafort, P.; Castaner, J.; Serradell, M.N.; DL-111-IT. Drugs Fut 1982, 7, 12, 875.
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) 34364 2-ethylbenzohydrazide C9H12N2O 详情 详情
(II) 34363 ethyl 3-methoxybenzenecarboximidoate C10H13NO2 详情 详情
Extended Information