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Chemical Structure| 16535-98-1 Chemical Structure| 16535-98-1

Structure of Bemarinone
CAS No.: 16535-98-1

Chemical Structure| 16535-98-1

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Product Details of [ 16535-98-1 ]

CAS No. :16535-98-1
Formula : C12H13NO3
M.W : 219.24
SMILES Code : O=C1NC(C)=C2C=C(OC)C(OC)=CC2=C1
MDL No. :MFCD00225165

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Application In Synthesis of [ 16535-98-1 ]

* 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 [ 16535-98-1 ]

[ 16535-98-1 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 6281-32-9 ]
  • [ 16535-98-1 ]
  • [ 1393579-08-2 ]
YieldReaction ConditionsOperation in experiment
With potassium hydroxide; In water; toluene; at 160℃; for 1.5h;microwave irradiation; 4-(Isoquinolin-6-ylmethyl)-6,7-dimethoxy-1-methylisoquinolin-3-ol dihydrochloride 21 To a solution of 6,7-dimethoxy-1-methylisoquinolin-3-ol CCH 18060 (158 mg, 721 mumol) in toluene (15 mL) in a 20 mL microwave vial equipped with a magnetic stirrer was added a 2 N aq. KOH solution (0.70 mL, 1.40 mmol) at RT followed by MDE 32048 (185 mg, 864 mumol) and the mixture was stirred at 160 C. for 1.5 h under microwave irradiation. After cooling to RT, the mixture was diluted with H2O (10 mL) before extraction with EtOAc (50 mL). The organic phase was isolated and the aqueous phase was further extracted with CH2Cl2 (50 mL). Both organic phases were washed with brine (10 mL), combined, dried over Na2SO4, filtered and concentrated at 40 C. under vacuum. Purification by column chromatography (SiO2, eluent CH2Cl2:MeOH=100:0 to 94:6) gave 56 mg of 4-(isoquinolin-6-ylmethyl)-6,7-dimethoxy-1-methylisoquinolin-3-ol. This free base was dissolved in MeOH (3 mL) in a 25 mL round-bottomed flask equipped with a magnetic stirrer before addition of a 0.09 M HCl solution in MeOH (5.0 mL). The reaction mixture was stirred for 5 min at RT and concentrated at 40 C. under vacuum to afford 4-(isoquinolin-6-ylmethyl)-6,7-dimethoxy-1-methylisoquinolin-3-ol dihydrochloride 21 as a brown solid (67 mg, 21% yield). MW: 433.33; Yield: 21%; Brown solid; Mp ( C.)>250 (dec.). Rf (free base): 0.2 (CH2Cl2:MeOH=94:6). 1H-NMR (CD3OD, delta): 3.05 (s, 3H, CH3), 3.94 (s, 3H, OCH3), 4.02 (s, 3H, OCH3), 4.96 (s, 2H, CH2), 7.21 (s, 1H, ArH), 7.49 (s, 1H, ArH), 7.97-8.13 (m, 4H, 4*ArH), 8.48 (d, 1H, J=8.2 Hz, ArH), 9.79 (s, 1H, ArH). 13C-NMR (CD3OD, delta): 16.2, 28.0, 56.9, 57.5, 102.2, 106.0, 119.4, 124.2, 127.6, 128.3, 131.4, 131.7, 138.1, 140.6, 140.7, 114.6, 148.6, 151.1, 151.6, 159.6 (2*C not observed). MS-ESI m/z (rel.int.): 361 ([MH]+, 100).
 

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