4-溴-3-氧代戊酸甲酯

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: In analogy to the procedure described in example 10 c], [rac]-2-ethoxy-3-(4-hydroxy-2-methyl-phenyl)-propionic acid ethyl ester (example 10 b]) was reacted with 2-[2-(4-methoxy-phenyl)-5-methyl-thiazol-4-yl]-ethanol (prepared from [rac]-4-bromo-3-oxo-pentanoic acid methyl ester [PCT Int. Appl. (2001), WO 01/79202] and 4-methoxy-thiobenzamide in analogy to the procedures described in examples 12 a] and 12 b]) in the presence of triphenylphosphine and di-tert-butyl azodicarboxylate to yield [rac]-2-ethoxy-3-(4-{2-[2-(4-methoxy-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-2-methyl-phenyl)-propionic acid ethyl ester as yellow crystals.

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: In analogy to the procedure described in example 4 d], [rac]-3-(3,5-difluoro-4-hydroxy-phenyl)-2-ethoxy-propionic acid ethyl ester [example 70 a]] was reacted with 2-[2-(4-chloro-phenyl)-5-methyl-thiazol-4-yl]-ethanol (prepared from [rac]-4-bromo-3-oxo-pentanoic acid methyl ester [PCT Int. Appl. (2001), WO 01/79202] and 4-chloro-thiobenzamide in analogy to the procedures described in examples 12 a] and 12 b]) in tetrahydrofuran in the presence of triphenylphosphine and DEAD (diethyl azodicarboxylate) to yield [rac]-3-(4-{2-[2-(4-chloro-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-3,5-difluoro-phenyl)-2-ethoxy-propionic acid ethyl ester, which was further saponified in analogy to the procedure described in example 4 e], to yield [rac]-3-(4-{2-[2-(4-chloro-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-3,5-difluoro-phenyl)-2-ethoxy-propionic acid as light yellow amporphous solid. described in example 4 d

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: In analogy to the procedure described in example 1 d], [rac]-3-(3,5-difluoro-4-hydroxy-phenyl)-2-ethoxy-propionic acid ethyl ester was reacted with 2-[2-(3,5-dimethoxy-phenyl)-5-methyl-thiazol-4-yl]-ethanol (prepared from [rac]-4-bromo-3-oxo-pentanoic acid methyl ester [PCT Int. Appl. (2001), WO 01/79202] and 3,5-dimethoxy-thiobenzamide [PCT Int. Appl. (1992), WO 92/09586 A1] in analogy to the procedures described in examples 12 a] and 12 b]) in tetrahydrofuran in the presence of triphenylphosphine and DEAD (diethyl azodicarboxylate) to yield [rac]-3-(4-{2-[2-(3,5-dimethoxy-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-3,5-difluoro-phenyl)-2-ethoxy-propionic acid ethyl ester, which was further saponified in analogy to the procedure described in example 4 e], to yield [rac]-3-(4-{2-[2-(3,5-dimethoxy-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-3,5-difluoro-phenyl)-2-ethoxy-propionic acid as colorless solid. described in example 1 d

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: In analogy to the procedure described in example 4 d], [rac]-2-ethoxy-3-(5-ethoxy-2-fluoro-4-hydroxy-phenyl)-propionic acid ethyl ester [example 68 a]] was reacted with 2-[2-(4-chloro-phenyl)-5-methyl-thiazol-4-yl]-ethanol (prepared from [rac]-4-bromo-3-oxo-pentanoic acid methyl ester [PCT Int. Appl. (2001), WO 01/79202] and 4-chloro-thiobenzamide in analogy to the procedures described in examples 12 a] and 12 b]) in tetrahydrofuran in the presence of triphenylphosphine and DEAD (diethyl azodicarboxylate) to yield [rac]-3-(4-{2-[2-(4-chloro-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-5-ethoxy-2-fluoro-phenyl)-2-ethoxy-propionic acid ethyl ester, which was further saponified in analogy to the procedure described in example 4 e], to yield [rac]-3-(4-{2-[2-(4-chloro-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-5-ethoxy-2-fluoro-phenyl)-2-ethoxy-propionic acid as light yellow solid. described in example 4 d

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: In analogy to the procedure described in example 1 d], [rac]-2-ethoxy-3-(4-hydroxy-3-methoxy-phenyl)-propionic acid ethyl ester [example 48 a)] was reacted with 2-[2-(3,5-dimethyl-phenyl)-5-methyl-thiazol-4-yl]-ethanol (prepared from [rac]-4-bromo-3-oxo-pentanoic acid methyl ester [PCT Int. Appl. (2001), WO 01/79202] and 3,5-dimethyl-thiobenzamide (from 3,5-dimethyl-benzonitrile and NaSH, NH4Cl in N,N-dimethylformamide) in analogy to the procedures described in examples 12 a] and 12 b]) in tetrahydrofuran in the presence of triphenylphosphine and DEAD (diethyl azodicarboxylate) to yield [rac]-3-(4-{2-[2-(3,5-dimethyl-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-3-methoxy-phenyl)-2-ethoxy-propionic acid ethyl ester, which was further saponified in analogy to the procedure described in example 4 e], to yield [rac]-3-(4-{2-[2-(3,5-dimethyl-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-3-methoxy-phenyl)-2-ethoxy-propionic acid as colorless solid. described in example 1 d

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: In analogy to the procedure described in example 1 d], [rac]-3-(4-hydroxy-3-methoxy-phenyl)-2-isopropoxy-propionic acid ethyl ester [prepared from isopropoxy-acetic acid ethyl ester (Tetrahedron (1982), 38(17), 2733-9) and 4-benzyloxy-3-methoxy-benzaldehyde in analogy to the procedures described in examples 54 a]to c)] was reacted with 2-[2-(3,5-dimethyl-phenyl)-5-methyl-thiazol-4-yl]-ethanol (prepared from [rac]-4-bromo-3-oxo-pentanoic acid methyl ester [PCT Int. Appl. (2001), WO 01/79202] and 3,5-dimethyl-thiobenzamide (from 3,5-dimethyl-benzonitrile and NaSH, NH4Cl in N,N-dimethylformamide) in analogy to the procedures described in examples 12 a] and 12 b]) in tetrahydrofuran in the presence of triphenylphosphine and DEAD (diethyl azodicarboxylate) to yield [rac]-3-(4-{2-[2-(3,5-dimethyl-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-3-methoxy-phenyl)-2-isopropoxy-propionic acid ethyl ester, which was farther saponified in analogy to the procedure described in example 4 e], to yield [rac]-3-(4-{2-[2-(3,5-dimethyl-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-3-methoxy-phenyl)-2-isopropoxy-propionic acid as light yellow solid. described in example 1 d

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: In analogy to the procedure described in example 1 d], [rac]-3-(4-hydroxy-3-methoxy-phenyl)-2-isopropoxy-propionic acid ethyl ester [prepared from isopropoxy-acetic acid ethyl ester (Tetrahedron (1982), 38(17), 2733-9) and 4-benzyloxy-3-methoxy-benzaldehyde in analogy to the procedures described in examples 54 a]to c)] was reacted with 2-[2-(3,5-dimethoxy-phenyl)-5-methyl-thiazol-4-yl]-ethanol (prepared from [rac]-4-bromo-3-oxo-pentanoic acid methyl ester [PCT Int. Appl. (2001), WO 01/79202] and 3,5-dimethoxy-thiobenzamide [PCT Int. Appl. (1992), WO 92/09586 A1] in analogy to the procedures described in examples 12 a] and 12 b]) in tetrahydrofuran in the presence of triphenylphosphine and DEAD (diethyl azodicarboxylate) to yield [rac]-3-(4-{2-[2-(3,5-dimethoxy-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-3-methoxy-phenyl)-2-isopropoxy-propionic acid ethyl ester, which was further saponified in analogy to the procedure described in example 4 e], to yield [rac]-3-(4-{2-[2-(3,5-dimethoxy-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-3-methoxy-phenyl)-2-isopropoxy-propionic acid as colorless solid. described in example 1 d

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: In analogy to the procedure described in example 1 d], [rac]-2-ethoxy-3-(4-hydroxy-3-methoxy-phenyl)-propionic acid ethyl ester [example 48 a]) was reacted with 2-[2-(3,5-dimethoxy-phenyl)-5-methyl-thiazol-4-yl)-ethanol (prepared from [rac]-4-bromo-3-oxo-pentanoic acid methyl ester [PCT Int. Appl. (2001), WO 01/79202] and 3,5-dimethoxy-thiobenzamide [PCT Int. Appl. (1992), WO 92/09586 A1] in analogy to the procedures described in examples 12 a] and 12 b]) in tetrahydrofuran in the presence of triphenylphosphine and DEAD (diethyl azodicarboxylate) to yield [rac]-3-(4-{2-[2-(3,4-dimethoxy-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-3-methoxy-phenyl)-2-ethoxy-propionic acid ethyl ester, which was further saponified in analogy to the procedure described in example 4 e], to yield [rac]-3-(4-{2-[2-(3,4-dimethoxy-phenyl)-5-methyl-thiazol-4-yl]-ethoxy}-3-methoxy-phenyl)-2-ethoxy-propionic acid as light yellow solid. described in example 1 d

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: In analogy to the procedure described in example 1 d], [rac]-3-(4-hydroxy-3-methoxy-phenyl)-2-isopropoxy-propionic acid ethyl ester [prepared from isopropoxy-acetic acid ethyl ester (Tetrahedron (1982), 38(17), 2733-9) and 4-benzyloxy-3-methoxy-benzaldehyde in analogy to the procedures described in examples 54 a]to c)] was reacted with 2-(5-methyl-2-p-tolyl-thiazol-4-yl)-ethanol (prepared from [rac]4-bromo-3-oxo-pentanoic acid methyl ester [PCT Int. Appl. (2001), WO 01/79202] and 4-methyl-thiobenzamide in analogy to the procedures described in examples 12 a] and 12 b]) in tetrahydrofuran in the presence of triphenylphosphine and DEAD (diethyl azodicarboxylate) to yield [rac]-2-isopropoxy-3-{3-methoxy-4-[2-(5-methyl-2-p-tolyl-thiazol-4-yl]-ethoxy}-phenyl)-propionic acid ethyl ester, which was further saponified in analogy to the procedure described in example 4 e], to yield [rac]-2-isopropoxy-3-{3-methoxy-4-[2-(5-methyl-2-p-tolyl-thiazol-4-yl)-ethoxy]-phenyl}-propionic acid as colorless amporphous solid. described in example 1 d

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: In analogy to the procedure described in example 1 d], [rac]-2-ethoxy-3-(3-fluoro-4-hydroxy-phenyl)-propionic acid ethyl ester (example 7 a]) was reacted with 2-[5-methyl-2-(4-trifluoromethoxy-phenyl)-thiazol-4-yl]-ethanol (prepared from [rac]-4-bromo-3-oxo-pentanoic acid methyl ester [PCT Int. Appl. (2001), WO 01/79202] and 4-trifluoromethoxy-thiobenzamide in analogy to the procedures described in examples 12 a] and 12 b]) in tetrahydrofuran in the presence of triphenylphosphine and DEAD (diethyl azodicarboxylate) to yield [rac]-2-ethoxy-3-(3-fluoro-4-{2-[5-methyl-2-(4-trifluoromethoxy-phenyl)-thiazol-4-yl]-ethoxy}-phenyl)-propionic acid ethyl ester, which was further saponified in analogy to the procedure described in example 4 e], to yield [rac]-2-ethoxy-3-(3-fluoro-4-{2-[5-methyl-2-(4-trifluoromethoxy-phenyl)-thiazol-4-yl]-ethoxy}-phenyl)-propionic acid as colorless solid. described in example 1 d

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: In analogy to the procedure described in example 1 d], [rac]-2-ethoxy-3-(4-hydroxy-3-methyl-phenyl)-propionic acid ethyl ester (example 4 c]) was reacted with 2-[5-methyl-2-(4-trifluoromethoxy-phenyl)-thiazol-4-yl]-ethanol (prepared from [rac]-4-bromo-3-oxo-pentanoic acid methyl ester [PCT Int. Appl. (2001), WO 01/79202] and 4-trifluoromethoxy-thiobenzamide in analogy to the procedures described in examples 12 a] and 12 b]) in tetrahydrofuran in the presence of triphenylphosphine and DEAD (diethyl azodicarboxylate) to yield [rac]-2-ethoxy-3-(3-methyl-4-{2-[5-methyl-2-(4-trifluoromethoxy-phenyl)-thiazol-4-yl]-ethoxy}-phenyl)-propionic acid ethyl ester, which was further saponified in analogy to the procedure described in example 4 e], to yield [rac]-2-ethoxy-3-(3-methyl-4-{2-[5-methyl-2-(4-trifluoromethoxy-phenyl)-thiazol-4-yl]-ethoxy}-phenyl)-propionic acid as light yellow solid. described in example 1 d

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: In analogy to the procedure described in example 1 d], [rac]-2-ethoxy-3-(3-fluoro-4-hydroxy-phenyl)-propionic acid ethyl ester (example 7 a]) was reacted with 2-(2-benzo[1,3]dioxol-5-yl-5-methyl-thiazol-4-yl)-ethanol (prepared from [rac]-4-bromo-3-oxo-pentanoic acid methyl ester [PCT Int. Appl. (2001), WO 01/792023 and benzo[1,3]dioxole-5-carbothioic acid amide in analogy to the procedures described in examples 12 a] and 12 b]) in tetrahydrofuran in the presence of triphenylphosphine and DEAD (diethyl azodicarboxylate) to yield [rac]-3-{4-[2-(2-benzo[1,3]dioxol-5-yl-5-methyl-thiazol-4-yl)-ethoxy]-3-fluoro-phenyl)-2-ethoxy-propionic acid ethyl ester, which was further saponified in analogy to the procedure described in example 4 e], to yield [rac]-3-{4-[2-(2-benzo[1,3]dioxol-5-yl-5-methyl-thiazol-4-yl)-ethoxy]-3-fluoro-phenyl}-2-ethoxy-propionic acid as colorless solid. described in example 1 d