5-乙氧基-2-羟基苯(甲)醛

反应条件: temp:0.00; pressure:0.00; stir:

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

实验步骤: 2.49 g of 5-ethoxy-2-hydroxy-benzaldehyde, 2.7 ml of ethyl 5-bromovalerate, 15 ml of DMSO, 3.1 g of K2CO3 and 75 mg of KI were stirred for 2.5 hrs. at 55° C. After working up and chromatography on silica gel there were obtained 4.7 g of ethyl 5-(4-ethoxy-2-formyl-phenoxy)-pentanoate. MS: 294 (M)+. at 55° C

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

实验步骤: 2.49 g of 5-ethoxy-2-hydroxy-benzaldehyde, 2.7 ml of ethyl 5-bromovalerate, 15 ml of DMSO, 3.1 g of K2CO3 and 75 mg of KI were stirred for 2.5 hrs. at 55° C. After working up and chromatography on silica gel there were obtained 4.7 g of ethyl 5-(4-ethoxy-2-formyl-phenoxy)-pentanoate. MS: 294 (M)+. at 55° C

反应条件: temp:0.00; pressure:0.00; stir:

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

实验步骤: 2.49 g of 5-ethoxy-2-hydroxy-benzaldehyde, 2.7 ml of ethyl 5-bromovalerate, 15 ml of DMSO, 3.1 g of K2CO3 and 75 mg of KI were stirred for 2.5 hrs. at 55° C. After working up and chromatography on silica gel there were obtained 4.7 g of ethyl 5-(4-ethoxy-2-formyl-phenoxy)-pentanoate. MS: 294 (M)+. at 55° C

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

实验步骤: 2.49 g of 5-ethoxy-2-hydroxy-benzaldehyde, 2.7 ml of ethyl 5-bromovalerate, 15 ml of DMSO, 3.1 g of K2CO3 and 75 mg of KI were stirred for 2.5 hrs. at 55° C. After working up and chromatography on silica gel there were obtained 4.7 g of ethyl 5-(4-ethoxy-2-formyl-phenoxy)-pentanoate. MS: 294 (M)+. at 55° C

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

实验步骤: 2.49 g of 5-ethoxy-2-hydroxy-benzaldehyde, 2.7 ml of ethyl 5-bromovalerate, 15 ml of DMSO, 3.1 g of K2CO3 and 75 mg of KI were stirred for 2.5 hrs. at 55° C. After working up and chromatography on silica gel there were obtained 4.7 g of ethyl 5-(4-ethoxy-2-formyl-phenoxy)-pentanoate. MS: 294 (M)+. at 55° C

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

实验步骤: 2.49 g of 5-ethoxy-2-hydroxy-benzaldehyde, 2.7 ml of ethyl 5-bromovalerate, 15 ml of DMSO, 3.1 g of K2CO3 and 75 mg of KI were stirred for 2.5 hrs. at 55° C. After working up and chromatography on silica gel there were obtained 4.7 g of ethyl 5-(4-ethoxy-2-formyl-phenoxy)-pentanoate. MS: 294 (M)+. at 55° C