49851-36-7 Archives - Esters-buliding-blocks

S News Introduction of a new synthetic route about 49851-36-7

The synthetic route of 49851-36-7 has been constantly updated, and we look forward to future research findings.

Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 49851-36-7, name is Methyl 2-(2-aminophenyl)acetate hydrochloride, A new synthetic method of this compound is introduced below., Quality Control of Methyl 2-(2-aminophenyl)acetate hydrochloride

To a solution of methyl 2-(2-aminophenyl)acetate hydrochloride (CAS 49851-36-7) (0.50 g, 2.5 mmol) in DMF (24.8 ml) at 0 C was added NBS (0.441 g, 2.48 mmol) and this was stirred at 0 C. After 10 minutes the reaction was quenched with saturated aqueous sodium bicarbonate, extracted with EtOAc, washed with water, dried over MgS04, filtered and concentrated. This was purified by flash chromatography (0-15% EtOAc:DCM) to provide the title compound. MS (ESI+) m/z 244.1 , 246.1 (M+H).

The synthetic route of 49851-36-7 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; NOVARTIS AG; BELANGER, David B.; FLOHR, Stefanie; GELIN, Christine Fang; JENDZA, Keith; JI, Nan; LIU, Donglei; LORTHIOIS, Edwige Liliane Jeanne; KARKI, Rajeshri Ganesh; MAINOLFI, Nello; POWERS, James J.; RANDL, Stefan Andreas; ROGEL, Olivier; VULPETTI, Anna; YOON, Taeyoung; WO2015/9977; (2015); A1;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

S News A new synthetic route of 49851-36-7

Statistics shows that Methyl 2-(2-aminophenyl)acetate hydrochloride is playing an increasingly important role. we look forward to future research findings about 49851-36-7.

Application of 49851-36-7, These common heterocyclic compound, 49851-36-7, name is Methyl 2-(2-aminophenyl)acetate hydrochloride, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

ln a 40 mL vial, HATU (2.263 g, 5.95 mmol) was added in one portion at room temperature to a DMF solution (10 mL) of methyl 2-(2-aminophenyl)acetate hydrochloride (CAS 49851-36-7) (1g, 4.96 mmol), 6-chloropyridine-2-carboxylic acid (CAS 4684-94-0) (0.938 g, 5.95 mmol) and DIEA (2.165 mL, 12.40 mmol). The resulting solution was allowed to stir at room temperature (2.5 hr). The reaction was diluted with ethyl acetate, washed with water (twice) and a saturated aq. NaCI solution. The organic phase was dried over sodium sulfate, filtered and concentrated. The residue was purified via FCC (10:1 Heptane/ethyl acetate to 1 :1 Heptane/ethyl acetate) to give the title compound. MS (ESI+) m/z 305.3 (M+H).

Statistics shows that Methyl 2-(2-aminophenyl)acetate hydrochloride is playing an increasingly important role. we look forward to future research findings about 49851-36-7.

10-Sep-21 News Introduction of a new synthetic route about 49851-36-7

The chemical industry reduces the impact on the environment during synthesis Methyl 2-(2-aminophenyl)acetate hydrochloride. I believe this compound will play a more active role in future production and life.

Related Products of 49851-36-7, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 49851-36-7, name is Methyl 2-(2-aminophenyl)acetate hydrochloride, This compound has unique chemical properties. The synthetic route is as follows.

TEA (0.276 ml_, 1 .984 mmol) was added to a mixture of 3-bromobenzoic acid (199 mg, 0.992 mmol) and HATU (415 mg, 1 .091 mmol) in DMF at 23 C. In a separate vial, methyl 2-(2- aminophenyl)acetate hydrochloride (CAS 49851 -36-7) (200 mg, 0.992 mmol) was stirred with TEA (0.276 ml_, 1 .980 mmol) in DMF (0.5 ml_). After 5 min, the solution of methyl 2-(2- aminophenyl)acetate hydrochloride (200 mg, 0.992 mmol) was added to the 3-bromobenzoic acid (199 mg, 0.992 mmol) mixture and the resulting mixture was stirred at rt for 30 min. The reaction mixture was diluted with EtOAc and washed with water. The aqueous layer was extracted with EtOAc. The combined organics were washed with 5% aq LiCI, dried (Na2S04) and concentrated. The resulting residue was purified by silica gel chromatography (EtOAc- heptanes 0-60%) to provide the title compound. MS (ESI+) m/z 348.0, 350.0 (M+H).

Introduction of a new synthetic route about C9H12ClNO2

The synthetic route of 49851-36-7 has been constantly updated, and we look forward to future research findings.

A new synthetic route of 49851-36-7

Related Products of 49851-36-7, These common heterocyclic compound, 49851-36-7, name is Methyl 2-(2-aminophenyl)acetate hydrochloride, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

Statistics shows that Methyl 2-(2-aminophenyl)acetate hydrochloride is playing an increasingly important role. we look forward to future research findings about 49851-36-7.

Introduction of a new synthetic route about 49851-36-7

The important role of 49851-36-7

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route Methyl 2-(2-aminophenyl)acetate hydrochloride, its application will become more common.

Related Products of 49851-36-7,Some common heterocyclic compound, 49851-36-7, name is Methyl 2-(2-aminophenyl)acetate hydrochloride, molecular formula is C9H12ClNO2, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

TEA (0.324 mL, 2.325 mmol) was added to a mixture of 3-acetamido-5-bromobenzoic acid (CAS 78238-1 1 -6) (200 mg, 0.775 mmol) and HATU (324 mg, 0.852 mmol) in DMF (3 mL) at 23 C. After 5 min, methyl 2-(2-aminophenyl)acetate hydrochloride (CAS 49851 -36-7) (165 mg, 0.775 mmol) was added and the resulting mixture was stirred at room temperature overnight. The mixture was partitioned between 4: 1 EtOAc/heptanes and water. The aqueous layer was extracted with 4: 1 EtOAc/heptanes. The combined organic layers were washed with 5% aqueous LiCI solution, the organics were dried (Na2S04), filtered and concentrated. The residue was purified by silica gel chromatography (EtOAc/heptanes 20-80%) to provide the title compound. MS (ESI+) m/z 405.2, 407.2 (M+H).