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1 article(s) from Notash, Behrouz

triazolobenzodiazepine derivatives via isocyanide-based multicomponent reactions

Marzieh Norouzi,
Mohammad Taghi Nazeri,
Ahmad Shaabani and
Behrouz Notash

Beilstein J. Org. Chem. 2024, 20, 2870–2882, doi:10.3762/bjoc.20.241

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Figure 1: Representation of distinguished structures of benzodiazepine/benzoxazepine/benzothiazepine with pha...

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Scheme 1: Methods for the construction of pyrrole-fused heterocycles through I-MCR reactions.

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Scheme 2: The model reaction of dibenzoxazepine, gem-diactivated olefin (2-benzylidenemalononitrile), and cyc...

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Scheme 3: Substrate scope. Conditions: Reactions were carried out using 1 (0.55 mmol), 2 (0.55 mmol), and 3 (...

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Scheme 4: Substrate scope.^.Conditions: reactions were carried out using 1 (0.55 mmol), 2 (0.55 mmol), and 5 (...

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Figure 2: The crystal structure of 4h (CCDC 2365305).

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Figure 3: The DNMR (dynamic nuclear magnetic resonance) spectra of compound 6f (DMSO-d₆, 300 MHz) at 25–85 °C...

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Figure 4: The crystal structure of 6a (CCDC2365306).

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Scheme 5: A suggested mechanism for compounds 4.

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Scheme 6: Synthesis of pyrrole-fused dibenzoxazepine/triazolobenzodiazepine through a 4-CR.

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Scheme 7: Gram-scale synthesis of pyrrole-fused dibenzoxazepine/triazolobenzodiazepine 4a and 6a via 3-CRs.

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Figure 5: UV–vis absorption for compounds 4a, 6c and QS (quinine sulfate) (a); emission for 4a, 6c and QS (b)...

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Published 11 Nov 2024

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