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Chemical Structure| 1142945-82-1 Chemical Structure| 1142945-82-1

Structure of 1142945-82-1

Chemical Structure| 1142945-82-1

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Product Details of [ 1142945-82-1 ]

CAS No. :1142945-82-1
Formula : C18H21N5O2
M.W : 339.39
SMILES Code : O=C1C2=C(NC=C2)N=C(NC3=CC=C(OCCN4CCCC4)C=C3)N1
MDL No. :MFCD16877461

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Application In Synthesis of [ 1142945-82-1 ]

* 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 [ 1142945-82-1 ]

[ 1142945-82-1 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 52133-67-2 ]
  • [ 1143571-96-3 ]
  • [ 1142945-82-1 ]
YieldReaction ConditionsOperation in experiment
52% A solution of 4 (2.0 g, 4.5 mmol) in 50percent TFA/DCM (10 niL) was stirred at room temperature for 17 h. The solution was concentrated to afford the title compound (quant, yield), which was used in the next step without purification. MS (ES+): m/z 249 (M+H)+; To a microwave reaction tube was charged with 5 (1.6 g, 4.5 mmol), 2-cyano-4,4- diethoxy-butyric acid ethyl ester (0.15 g, 7.4 mmol) and NaOMe (25percent by wt in MeOH; 10 mL) in EtOH (5 mL). The reaction tube was sealed and the solution irradiated with microwave at 160 0C for 30 min. After cooling to room temperature, the mixture was concentrated. The residue was taken up in water (10 mL) and the peta adjusted to 1 with 6M of HCl. The resulting solution was stirred at room temperature for 25 min and then the peta adjusted to 9 with concentrated NH4OH. The resulting solid was filtered, washed with water and dried under high vacuum to afford the title compound as a brown solid (0.8 g, 52percent). The material was used in the next step without purification. MS (ES+): m/z 340 (M+H)+
52% A solution of 32 (2.0 g, 4.5 mmol) in 50percent TFA/DCM (10 mL) was stirred at room temperature for 17 h. The solution was concentrated to afford the title compound (quant, yield), which was used in the next step without purification.[0264] MS (ES+): m/z 249 (M+H)+; Example 69 Preparation of 2-r4-(2-Pyrrolidin-l-yl-ethoxy)-phenylaminol-7H-pyrrolor2,3- (ilpyrimidin-4-ol (34)34 [0265] To a microwave reaction tube was charged with 33 (1.6 g, 4.5 mmol), 2-cyano-4,4- diethoxy-butyric acid ethyl ester (1.7 g, 7.4 mmol) and NaOMe (25percent by wt in MeOH; 10 mL) in EtOH (5 mL). The reaction tube was sealed and the solution irradiated with microwave at 160 0C for 30 min. After cooling to room temperature, the mixture was concentrated. The residue was taken up in water (10 mL) and the pH adjusted to 1 with 6M of HCl. The resulting solution was stirred at room temperature for 25 min and then the pH adjusted to 9 with concentrated NH4OH. The resulting solid was filtered, washed with water and dried under high vacuum to afford the title compound as a brown solid (0.8 g, 52percent). The material was used in the next step without purification.[0266] MS (ES+): m/z 340 (M+H)+
 

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