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【结 构 式】

【分子编号】69640

【品名】(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((2-methoxy-2-oxoethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

【CA登记号】

【 分 子 式 】C17H17N5O7S2

【 分 子 量 】467.483

【元素组成】C 43.68% H 3.67% N 14.98% O 23.96% S 13.72%

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:(VII)

 

1 Lopez M,Rodriguez Z,Gonzalez M,et al.Synthesis of (Z)-2-(2-formamido-4-thiazolyl)-2-(substituted alkoxyimino)acetic acids.Farmaco,2000,55:40.
2 Parthasaradhi Reddy B,Rathnakar Reddy K,Raji Reddy R,et al.An improved process for the preparation of ceficime:WO,Patent 2,006,103,686,2006.
3 程先波,胡立蓬,叶树祥,等.头孢克肟的制备方法:CN,Patent 101,319,246,2008.
4 潘行远.一种头孢克肟的合成方法:CN,Patent 101,016,305,2007.
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) 27907 Acetoacetic acid tert-butyl ester;3-Oxo-butanoic acid 1,1-dimethylethyl estertert-butyl 3-oxobutanoate 1694-31-1 C8H14O3 详情 详情
(II) 69635 (Z)-tert-butyl 2-(hydroxyimino)-3-oxobutanoate C8H13NO4 详情 详情
(III) 69636 (Z)-tert-butyl 2-((2-methoxy-2-oxoethoxy)imino)-3-oxobutanoate C11H17NO6 详情 详情
(IV) 69637 4-Chloro-2-[(2-methoxy-2-oxoethoxy)imino]-3-oxobutanoic acid;4-Chloro-2-(Z)-methoxycarbonylmethoxyimino-3-oxobutyric acid;(Z)-4-chloro-2-((2-methoxy-2-oxoethoxy)imino)-3-oxobutanoic acid 95759-10-7 C7H8ClNO6 详情 详情
(V) 69638 (Z)-2-(2-aminothiazol-4-yl)-2-((2-methoxy-2-oxoethoxy)imino)acetic acid 80544-17-8 C8H9N3O5S 详情 详情
(VI) 69639 (Z)-methyl 2-(((1-(2-aminothiazol-4-yl)-2-(benzo[d]thiazol-2-ylthio)-2-oxoethylidene)amino)oxy)acetate 246035-38-1 C15H12N4O4S3 详情 详情
(VII) 69640 (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((2-methoxy-2-oxoethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid C17H17N5O7S2 详情 详情
(VIII) 10257 methyl 2-chloroacetate; methyl chloroacetate 96-34-4 C3H5ClO2 详情 详情
(IX) 10180 Thiourea 62-56-6 CH4N2S 详情 详情
(X) 64882 (6R,7R)-7-amino-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 79349-82-9 C9H10N2O3S 详情 详情

合成路线2

该中间体在本合成路线中的序号:(I)

 

1 Sharma AK,Malhotra A,Raj B,et al.Cefixim preparation:DE,Patent 19,846,448,1999.
2 Sharma AK,Malhotra A,Raj B,et al.Preparation od orally active cephalosporin antibiotic-cefixim:DE,Patent 19,846,449,1999.
3 Deshpande PB,Das GK,Deshpande PN,et al.Process ofr the preparation of cefixime:US,Patent 6,800,755,2004.
4 Decristoforo M,Ludescher J,Sturm H.Process for the purification of a cephalosporin derivative:WO,Patent 9,951,607,1999.
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) 69640 (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((2-methoxy-2-oxoethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid C17H17N5O7S2 详情 详情

合成路线3

该中间体在本合成路线中的序号:(IV)

 

1 Shinozaki K,Hayashi M,Kitayama M.Process for the preparation of cephem compound:WO,Patent 2,001,098,309,2001.
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) 64882 (6R,7R)-7-amino-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 79349-82-9 C9H10N2O3S 详情 详情
(II) 69644 1,1-bis(trimethylsilyl)urea C7H20N2OSi2 详情 详情
(III) 69645 (Z)-methyl 2-(((1-(2-aminothiazol-4-yl)-2-chloro-2-oxoethylidene)amino)oxy)acetate C8H8ClN3O4S 详情 详情
(IV) 69640 (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((2-methoxy-2-oxoethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid C17H17N5O7S2 详情 详情
Extended Information