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Chemical Structure| 131451-30-4 Chemical Structure| 131451-30-4

Structure of 131451-30-4

Chemical Structure| 131451-30-4

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Product Details of [ 131451-30-4 ]

CAS No. :131451-30-4
Formula : C27H25NO6
M.W : 459.49
SMILES Code : O=C(O)[C@@H](N(C(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O)C)CC(OCC4=CC=CC=C4)=O
MDL No. :MFCD02094114

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Application In Synthesis of [ 131451-30-4 ]

* 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 [ 131451-30-4 ]

[ 131451-30-4 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 80441-55-0 ]
  • [ 131451-30-4 ]
  • [ 1599486-13-1 ]
YieldReaction ConditionsOperation in experiment
2-Chiorotrityichioride resin (1.4 mmol/g, 1.43 g, 2 mmol) was weighted into a 20 ml syringewith fit. The resin was swollen twice with 10 mL DCM. N-Fmoc-N-methyl-L-Asp(OtBu)OH (1.06 g, 2.5 mmol) was dissolved in DCM (6 mL) and drawn into the syringe. DIPEA(436 jiL, 2.5 mmol) was dissolved in DCM (1 mL) and drawn into the syringe. The syringewas agitated for 5 mm. DIPEA (654 jiL, 3.75 mmol) was dissolved in DCM (1 mL) and drawn into the syringe. The syringe was agitated for 1 h. MeOH (2 mL) was drawn into the syringe and the syringe agitated for 30 mm. The resin was washed 5 times with DMF (10 mL). The resin was agitated 3 times for 5 mm with DMF:DBU:piperidine (96:2:2 v/v/v 7 mL). The resin was washed 5 times with DMF (5 mL). 6-Tritylmercaptohexanoic acid (1.95g, 5 mmol) and PyBOP (2.6 g, 5 mmol) were dissolved in DMF (6 mL) and DIPEA (3.5 mL,20 mmol) added. After 1 mm preincubation the solution was drawn into the syringe and thesyringe agitated for 3 h. The resin was washed 5 times with DMF (7 mL), 5 times with DCM(7 mL). A solution of HFIP/DCM (1/4 v/v, 8 mL each) were drawn into the syringe and thesyringe agitated 3 times for 30 mm. The collected filtrates were concentrated in vacuo. Crude17a (0.84 g, 1.45 mmol, 73 %) was used without further purification in the next step. MS: m/z598.18= [M+Na], (calculated = 598.26).
 

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