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Chemical Structure| 1227281-44-8 Chemical Structure| 1227281-44-8

Structure of 1227281-44-8

Chemical Structure| 1227281-44-8

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Product Details of [ 1227281-44-8 ]

CAS No. :1227281-44-8
Formula : C20H19NO6
M.W : 369.37
SMILES Code : O=C(O)CC(NC(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O)C(OC)=O
MDL No. :MFCD03701326
InChI Key :UEUZUMRMWJUEMK-UHFFFAOYSA-N
Pubchem ID :53396250

Safety of [ 1227281-44-8 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H315-H319
Precautionary Statements:P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313

Application In Synthesis of [ 1227281-44-8 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 1227281-44-8 ]

[ 1227281-44-8 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 1227281-44-8 ]
  • [ 10167-97-2 ]
  • methyl 2-[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-3-[(5-methoxypyridin-2-yl)carbamoyl]propanoate [ No CAS ]
YieldReaction ConditionsOperation in experiment
75% c) Methyl 2-[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-3-[(5-methoxypyridin-2-yl)carbamoyl]propanoate (1-48). [0282] HATU (1.27 g; 3.34 mmol; 1.2 eq) and DIPEA (1.41 mL; 8.1 mmol; 3 eq) were added to a solution of 3-([(9H-fluoren-9-ylmethoxy)carbonyl]amino)-4-methoxy-4-oxobutanoic acid (1-47) (1.03 g; 2.7 mmol; 1 eq) in dimethylformamide (51 mL). After 20 minutes, 5-methoxypyridin-2-amine (415.5 mg; 3.34 mmol; 1.2 eq) was added and the reaction mixture was stirred at room temperature overnight. Water (50 mL) and ethyl acetate (50 mL) were added and the aqueous layer was extracted with ethyl acetate (3 x 30 mL). The combined organic layers were washed with saturated sodium chloride (3 x 50 mL), dried over sodium sulfate, filtered and concentrated to dryness. The crude was purified on silica gel using dichloromethane/ethyl acetate (90/10 to 50/50) as an eluent. After washing in ethyl acetate and saturated sodium chloride, the title compound methyl 2-[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-3-[(5-methoxypyridin-2-yl) carbamoyl]propanoate was obtained in 75percent yield (1.00 g). 1H-NMR (CDCl3): delta (ppm) 2.97 (m, 1H), 3.19 (d, 1H), 3.78 (s, 3H), 3.82 (s, 3H), 4.23 (m, 1H), 4.37 (m, 2H), 4.69 (m, 1H), 6.04 (m, 1H), 7.30 (m, 2H), 7.38 (m, 3H), 7.59 (m, 2H), 7.76 (m, 2H), 7.95 (m, 2H), 8.07 (d, 1H).
  • 2
  • [ 455-14-1 ]
  • [ 1227281-44-8 ]
  • [ 10167-97-2 ]
  • methyl 2-[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-3-[(5-methoxypyridin-2-yl)carbamoyl]propanoate [ No CAS ]
YieldReaction ConditionsOperation in experiment
75% c) Methyl 2-{ r(9H-fluoren-9-ylmethoxy)carbonyllamino|-3T(5- methoxypyridin-2-yl)carbamoyllpropanoate (1-48). HATU (1.27 g; 3.34 mmol; 1.2 eq) and DIPEA (1.41 mL; 8.1 mmol; 3 eq) were added to a solution of 3-{ [(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-methoxy-4- oxobutanoic acid (1-47) (1.03 g; 2.7 mmol; 1 eq) in dimethylformamide (51 mL). After 20 minutes, 5-methoxypyridin-2-amine (415.5 mg; 3.34 mmol; 1.2 eq) was added and the reaction mixture was stirred at room temperature overnight. Water (50 mL) and ethyl acetate (50 mL) were added and the aqueous layer was extracted with ethyl acetate (3 x 30 mL). The combined organic layers were washed with saturated sodium chloride (3 x 50 mL), dried over sodium sulfate, filtered and concentrated to dryness. The crude was purified on silica gel using dichloromethane/ethyl acetate (90/10 to 50/50) as an eluent. After washing in ethyl acetate and saturated sodium chloride, the title compound methyl 2-{ [(9H-fluoren-9-ylmethoxy)carbonyl]amino}- 3-[(5-methoxypyridin-2-yl)carbamoyl]propanoate was obtained in 75percent yield (1.00 g). 1H-NMR (CDC13): delta (ppm) 2.97 (m, 1Eta), 3.19 (d, 1Eta), 3.78 (s, 3Eta), 3.82 (s, 3Eta), 4.23 (m, 1Eta), 4.37 (m, 2Eta), 4.69 (m, 1Eta), 6.04 (m, 1Eta), 7.30 (m, 2Eta), 7.38 (m, 3Eta), 7.59 (m, 2Eta), 7.76 (m, 2Eta), 7.95 (m, 2Eta), 8.07 (d, 1Eta).
 

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