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Beilstein J. Org. Chem. 2017, 13, 2596–2602, doi:10.3762/bjoc.13.256
Graphical Abstract
Figure 1: Tetrazole-containing drugs.
Scheme 1: Synthesis of acylhydrazino bis(1,5-disubstituted tetrazoles) through two hydrazino-Ugi-azide reacti...
Scheme 2: Synthesis of hydrazides 2a–c. Reagents and conditions: (i) N2H4·H2O, EtOH, reflux, 2–3 h; (ii) CH3I...
Scheme 3: Synthesis of acylhydrazino 1,5-disubstituted tetrazoles 10a–h through multicomponent reactions invo...
Scheme 4: Synthesis of acylhydrazino 1,5-disubstituted tetrazoles 10i–m through multicomponent reactions invo...
Scheme 5: Synthesis of acylhydrazino bis(1,5-disubstituted tetrazoles) 12a–d.
Scheme 6: Possible postmodification reactions of the acylhydrazino bis(1,5-disubstituted tetrazoles) 12a–d.
Beilstein J. Org. Chem. 2016, 12, 2865–2872, doi:10.3762/bjoc.12.285
Figure 1: Structural features of (a) peptide, (b) peptoid, (c) peptomer, (d) azapeptide, (e) azapeptoid, (f) ...
Figure 2: Some biologically active peptoids.
Figure 3: Biologically active hydrazinopeptides and representation of the hydrazino turn.
Figure 4: General structure of the acylhydrazino-peptomers synthesized in this study.
Scheme 1: Retrosynthetic analysis.
Scheme 2: Synthesis of hydrazides 3a–c. Reagents and conditions: (i) CH3I, NaHCO3, DMF, rt, 46 h; (ii) N2H4.H2...
Scheme 3: Synthesis of acylhydrazino-peptomers 11a–f.
Scheme 4: Synthesis of acylhydrazino-peptomers 14a,b.
Scheme 5: Synthesis of acylhydrazino-peptomers 15a–c.