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Chemical Structure| 501033-98-3 Chemical Structure| 501033-98-3

Structure of 501033-98-3

Chemical Structure| 501033-98-3

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Product Details of [ 501033-98-3 ]

CAS No. :501033-98-3
Formula : C17H17NO4
M.W : 299.32
SMILES Code : NC1=CC(/C=C\C2=CC(OC)=C(OCO3)C3=C2)=CC=C1OC

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Application In Synthesis of [ 501033-98-3 ]

* 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 [ 501033-98-3 ]

[ 501033-98-3 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 5545-54-0 ]
  • [ 501033-98-3 ]
  • [ 865717-76-6 ]
YieldReaction ConditionsOperation in experiment
93% With N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate; In dichloromethane; at 0 - 20℃; for 0.75h; 3,4-Methylenedioxy-5,4 -dimethoxy-3 '-(O-te^-butyl-Lambda^-Z-L-Ty^-amido-Z-stilbene (7).To a stirred mixture of amine Ia (0.19 g, 0.63 mmol), O-tert-butyl-Lambda^-Z-L-Tyr (0.45 g, 1.2 mmol, 1.9 eq), and PyBroP (0.57 g, 1.2 mmol, 1.9 eq) in DCM (2 mL) at 0 EC under Ar was added DIPEA (0.55 ml, 3.2 mmol, 5.1 eq) (Ref. 32-33). The reaction mixture was stirred for 45 min at rt and concentrated under vacuum. The product was obtained by gravity column chromatography (4:1, DCM:EtOAc) as a colorless oil (7, 0.38 g, 93%); Rf 0.74 (4:1, DCM:EtOAc); [alpha]24D +1.9E (c 1.04, CHCl3); 1H-NMR (300 MHz, CDCl3) delta 1.30 (9H5 s, /Bu), 3.05 (2H, m, -CH2-), 3.63 (3H, s, OCH3), 3.68 (3H, s, OCH3), 4.47 (IH, m, alpha H), 5.05 (2H, d, J= 2.4 Hz, -CH2-), 5.60 (IH, br), 5.85 (2H, s, -OCH2O-), 6.33 (IH, d, J= 12.0 Hz, vinyl H), 6.40 (3H, m, vinyl H, 2 x ArH), 6.59 (IH, d, J = 9.0 Hz, ArH), 6.83 (2H, m, ArH), 6.91 (IH, dd, J= 8.1, 1.5 Hz, ArH), 7.05 (2H, d, J= 8.4 Hz, 2 x ArH), 7.26 (5H, m, 5 x ArH), 7.92 (IH, s), 8.22 (IH, d, J = 2.1 Hz, ArH); and HRMS calcd for C38H41O8N2 [M+H]+ 653.2863, found 653.2876. Anal, calcd for C38H40N2O8: C, 69.92; H5 6.18; N, 4.29. Found: C, 69.45: H, 6.37; N, 4.21.
 

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