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2 article(s) from Mehrparvar, Saber

An azobenzene container showing a definite folding – synthesis and structural investigation

Abdulselam Adam,
Saber Mehrparvar and
Gebhard Haberhauer

Beilstein J. Org. Chem. 2019, 15, 1534–1544, doi:10.3762/bjoc.15.156

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Graphical Abstract

Figure 1: Some examples for artificial C₂- and C₃-symmetric platforms based on Lissoclinum cyclopeptide alkal...

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Figure 2: a) Principle of a chiral foldable platform and container based on Lissoclinum cyclopeptide alkaloid...

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Scheme 1: Synthesis of the chiral foldable container 10. Reaction conditions: i) FDPP, iPr₂NEt, CH₃CN, 90%; i...

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Figure 3: Molecular structures of trans,trans-10 (left), cis,trans-10 (middle) and cis,cis-10 (right) calcula...

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Figure 4: UV spectra of the foldable container 10 in acetonitrile after synthesis (blue), after irradiation w...

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Figure 5: Section from the ¹H NMR spectra of the foldable container 10 in MeOD at 600 MHz: a) after synthesis...

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Figure 6: HPLC spectra (ReproSil Phenyl, 5 μm, 250 × 8 mm; methanol) of trans,trans-10 (blue), cis,trans-10 (...

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Figure 7: CD spectra of trans,trans-10 (blue), cis,trans-10 (green), and cis,cis-10 (red) in methanol (c = 3....

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Figure 8: DOSY NMR spectra (500 MHz in MeOD at 25 °C) of the foldable container 10 after synthesis (left) and...

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Published 10 Jul 2019

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Efficient synthesis of pyrazolopyridines containing a chromane backbone through domino reaction

Razieh Navari,
Saeed Balalaie,
Saber Mehrparvar,
Fatemeh Darvish,
Frank Rominger,
Fatima Hamdan and
Sattar Mirzaie

Beilstein J. Org. Chem. 2019, 15, 874–880, doi:10.3762/bjoc.15.85

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Figure 1: Selected examples of bioactive molecules based on the pyrazolopyridine framework.

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Scheme 1: Synthesis of pyrazolopyridines containing chromone 4a–m through a multicomponent reaction.

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Figure 2: ORTEP Structure of compound 4a and intermolecular hydrogen bonding; the ellipsoid probability level...

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Figure 3: Structures of synthesized pyrazolopyridines 4a–m. Reaction conditions: 3-formylchromone derivatives...

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Scheme 2: The proposed mechanism for the synthesis of pyrazolopyridines derivatives 4a–m and 5a–d.

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Figure 4: Structures of synthesized compounds 5a–d.

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Published 11 Apr 2019

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