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【结 构 式】

【分子编号】64882

【品名】(6R,7R)-7-amino-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

【CA登记号】79349-82-9

【 分 子 式 】C9H10N2O3S

【 分 子 量 】226.25608

【元素组成】C 47.78% H 4.45% N 12.38% O 21.21% S 14.17%

与该中间体有关的原料药合成路线共 11 条

合成路线1

该中间体在本合成路线中的序号:(II)

The condensation of 2-(2-aminothiazol-4-yl)-2(Z)-(trityoloxyimino)thioacetic acid 2-benzothiazolyl ester (I) with 7-amino-3-vinyl-3-cephem-4-carboxylic acid (II) by means of tributylamine in DMA gives the corresponding amide (III), which is deprotected by means of HCl and formic acid to provide cefdinir.

1 Singh, S.K.; Kumar, Y.; Prasad, M.; Prasad, A.; Kumar, N.P. (Ranbaxy Laboratories Ltd.); Process for the preparation of cefdinir. WO 0391261 .
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) 64881 S-(1,3-benzothiazol-2-yl) 2-(2-amino-1,3-thiazol-4-yl)-2-{[(triphenylmethyl)oxy]imino}ethanethioate C31H22N4O2S3 详情 详情
(II) 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
(III) 64883 7-[(2-(2-amino-1,3-thiazol-4-yl)-2-{[(triphenylmethyl)oxy]imino}acetyl)amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid C33H27N5O5S2 详情 详情

合成路线2

该中间体在本合成路线中的序号:(VIII)

 

1 Huwiler A,Teund L.Production of 2-(2-aminothiazole-4-yl)-2- (syn)-methoxyimino acetic esters:EP,Patent 45,005,1982.
2 胡艾希,徐娟娟,伍小云.氨噻肟酸乙酯的合成.中国医药工业杂 志.2206,37.229
3 程清蓉,刘志雄,李翔,等.去甲氨噻肟酸乙酯的合成研究.化学世界,2007,48:480
4 郑庚修,李贺,赵叶青.制备去甲氨噻肟酸乙酯的方法:CN,Patent 101,007,793,2007.
5 Defossa E,Fischer G,Gerlach U,et al.Synthesis of HR 916 K.Am efficient route to the pure diastereomers of the 1-(pivaloyloxy)ethyl esters of cephalosporins.Liebigs Annalen,1996,(11):1743.
6 Yamanaka H,Chiba T,Kawabata K,et al.Studies on β-lactam antibiotics.IX.Synthesis and biological activity of new orally active cephalosporin,cefixime(FK027).J Antibiotics,1985,38:1738.
7 Takaya T,Takasugi H,Masugi T,et al.7-Acylamino-3-substituted cephalosporanic acid derivatives,processes for their preparation and pharmaceutical compositions containing them:EP,Patent 29,557,1995.
8 Kameyama Y,Fukae K.Method for producing 3-vinyl-cephem compound:JP,Patent 2,001,294,590,2001.
9 Takaya T,Shirai F,Nakamura H,et al.Novel crystalline 7-(2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetamido)-3-vinyl-3-cephem-4-carboxylic acid(syn isomer):EP,Patent 304,019,1989.
10 Lee GS,Chang YK,Chun JP,et al.Process for preparation of cefdinir:WO,Patent 9,724,358,1997.
11 Sturm H,Wolf S,Ludescher J.Crystalline amine salt of cefdinir:WO,Patent 9,845,299,1998.
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) 22747 (6R,7R)-3-[(acetoxy)methyl]-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid C10H12N2O5S 详情 详情
(II) 69618 (6R,7R)-7-amino-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid C8H10N2O4S 详情 详情
(III) 21351 2-Hydroxybenzaldehyde;Salicylic aldehyde;2-Formylphenol;salicylaldehyde 90-02-8 C7H6O2 详情 详情
(VIII) 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
(IX) 69619 (Z)-S-benzo[d]thiazol-2-yl 2-(2-aminothiazol-4-yl)-2-((trityloxy)imino)ethanethioate C31H22N4O2S3 详情 详情

合成路线3

该中间体在本合成路线中的序号:(II)

 

1 Dandala R,Prasada Rao KVV,Sivakumaran MS.Process for preparaing cefinir:US,Patent 2,004,242,557,2004.
2 Prasada Rao KVV,Dandala R,Sivakumaran M,et al.Improved synthesis of Cefdinir and its polymorphic form,an antibacterial active pharmaceutical ingredient.Synthetic Commun,2007,37:2275.
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) 69626 (Z)-S-benzo[d]thiazol-2-yl 2-(acetoxyimino)-2-(2-aminothiazol-4-yl)ethanethioate C14H10N4O3S3 详情 详情
(II) 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4

该中间体在本合成路线中的序号:(II)

 

1 Deshpande PB,Khadangale BP,Ramasubbu C.Novel amorphous hydrate of a cephalosporin antibiotic:WO,Patent 2,004,046,154,2004.
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) 69627 (Z)-S-(5-phenyl-1,3,4-oxadiazol-2-yl) 2-(acetoxyimino)-2-(2-aminothiazol-4-yl)ethanethioate C15H11N5O4S2 详情 详情
(II) 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5

该中间体在本合成路线中的序号:(II)

 

1 Lee GS,Chang YK,Chun JP,et al.Process for preparation of cefdinir:WO,Patent 9,724,358,1997.
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) 69628 (Z)-(2-(2-aminothiazol-4-yl)-2-((trityloxy)imino)acetoxy)(1,3-diethyltrioxidan-2-iumyl)phosphanide C28H28N3O6PS 详情 详情
(II) 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6

该中间体在本合成路线中的序号:(II)

 

1 Kremminger P,Silberberger H.Tertiary amine salts of 2-(2-aminothiazole-4-yl)-2-(acyloxyimino)acetic acid:WO,Patent 2,006,008,160,2006.
2 Kremminger P,Silberberger H.Alkanoyl amide solvates of 2-(2-aminothiazole-4-yl)-2-(acyloxyimino)acetic acid:WO,Patent 2,006,008,161,2006.
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) 69626 (Z)-S-benzo[d]thiazol-2-yl 2-(acetoxyimino)-2-(2-aminothiazol-4-yl)ethanethioate C14H10N4O3S3 详情 详情
(II) 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7

该中间体在本合成路线中的序号:(IV)

 

1 Datta D,Dantu M,Mishra B,et al.Novel intermediates for synthesis of cephalosporins and process for preparation of such intermediates:WO,Patent 2,004,058,695,2004.
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) 58114 4-bromo-2-(methoxyimino)-3-oxobutanoic acid;(Z)-4-bromo-2-(methoxyimino)-3-oxobutanoic acid C5H6BrNO4 详情 详情
(II) 69629   C3H7Cl2NO3S 详情 详情
(III) 69630   C8H12BrClN2O6S 详情 详情
(IV) 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
(V) 69631 (6R,7R)-7-((Z)-4-bromo-2-(methoxyimino)-3-oxobutanamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid C14H14BrN3O6S 详情 详情
(VI) 10180 Thiourea 62-56-6 CH4N2S 详情 详情

合成路线8

该中间体在本合成路线中的序号:(III)

 

1 Sakane K,Goto J.Production of 7-(2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetamide)-3-cephem compound:JP,Patent 02,000,790,1990.
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) 69632 (Z)-2-(acetoxyimino)-2-(2-aminothiazol-4-yl)acetyl chloride C7H6ClN3O3S 详情 详情
(II) 69633 (E)-trimethylsilyl N-(trimethylsilyl)acetimidate;N,O-Bis(trimethylsilyl)acetamide;Trimethylsilyl N-trimethylsilylacetamidate; 10416-59-8 C8H21NOSi2 详情 详情
(III) 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
(IV) 69634 (6R,7R)-7-((Z)-2-(acetoxyimino)-2-(2-aminothiazol-4-yl)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic aci C16H15N5O6S2 详情 详情

合成路线9

该中间体在本合成路线中的序号:(X)

 

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10

该中间体在本合成路线中的序号:(IV)

 

1 Deshpande PB,Luthra PK.Thioester derivatives of thiazolyl acetic acid and their use in the preparation of cephalosporin compounds:US,Patent 6,388,070,2002.
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) 69638 (Z)-2-(2-aminothiazol-4-yl)-2-((2-methoxy-2-oxoethoxy)imino)acetic acid 80544-17-8 C8H9N3O5S 详情 详情
(II) 69642 2-Phenyl-1,3,4-oxadiazole-5-thione;5-Phenyl-1,3,4-oxadiazole-2(3H)-thione;2-Phenyl-5-mercaptooxadiazole;5-Mercapto-2-phenyl-1,3,4-oxadiazole;2-Mercapto-5-phenyl-1,3,4-oxadiazole;5-phenyl-1,3,4-oxadiazole-2(3H)-thione 3004-42-0 C8H6N2OS 详情 详情
(III) 69643 (Z)-methyl 2-(((1-(2-aminothiazol-4-yl)-2-oxo-2-((5-phenyl-1,3,4-oxadiazol-2-yl)thio)ethylidene)amino)oxy)acetate C16H13N5O5S2 详情 详情
(IV) 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11

该中间体在本合成路线中的序号:(I)

 

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