166117-58-4Relevant academic research and scientific papers
Intramolecular azide to alkene cycloadditions for the construction of pyrrolobenzodiazepines and azetidino-benzodiazepines
Hemming, Karl,Chambers, Christopher S.,Jamshaid, Faisal,O'Gorman, Paul A.
, p. 16737 - 16756 (2015/01/09)
The coupling of proline- and azetidinone-substituted alkenes to 2-azidobenzoic and 2-azidobenzenesulfonic acid gives precursors that undergo intramolecular azide to alkene 1,3-dipolar cycloadditions to give imine-, triazoline- or aziridine-containing pyrr
Intramolecular 1,3-dipolar cycloaddition as a route to triazolobenzodiazepines and pyrrolobenzodiazepines
Chambers, Christopher S.,Patel, Nilesh,Hemming, Karl
scheme or table, p. 4859 - 4861 (2010/10/02)
Intramolecular 1,3-dipolar cycloaddition between an alkyne and an azide leads to a series of 1,2,3-triazolo-fused 1,4-benzodiazepines, 1,2,5-benzothiadiazepines, pyrrolobenzodiazepines and pyrrolobenzothiadiazepines (eight examples). The products are priv
Synthesis of pyrrolo[2,1-c][1,4]benzodiazepines and their conjugates by azido reductive cyclization strategy as potential DNA-binding agents
Kamal, Ahmed,Babu, A. Hari,Ramana, A. Venkata,Ramana, K. Venkata,Bharathi, E. Vijaya,Kumar, M. Shiva
, p. 2621 - 2623 (2007/10/03)
Synthesis of pyrrolo[2,1-c][1,4]benzodiazepines via azido reductive cyclization process employing FeCl3-NaI reagent system. This methodology has been extended for the preparation of new nicotinamido- pyrrolobenzodiazepine hybrids linked through piperazino-alkane-oxy spacers that exhibit good DNA binding affinity.
Synthesis of DNA-interactive pyrrolo[2,1-c][1,4]benzodiazepines by employing polymer-supported reagents: Preparation of DC-81
Kamal, Ahmed,Reddy, K. Laxma,Devaiah,Shankaraiah
, p. 2533 - 2536 (2007/10/03)
Polymer-supported reagents have been utilized for the generation of combinatorial library of substituted pyrrolo[2,1-c][1,4]benzodiazepine derivatives that provides a clean and efficient preparation and does not require conventional purification techniques like chromatography. This methodology involves intra molecular aza-Wittig reaction and has been extended for the synthesis of the natural product DC-81 in good overall yields.
Synthesis of pyrrolo[2,1-c][1,4]benzodiazepines via reductive cyclization of ω-Azido carbonyl compounds by TMSI: An efficient preparation of antibiotic DC-81 and its dimers
Kamal, Ahmed,Laxman,Laxman,Venugopal Rao
, p. 2311 - 2313 (2007/10/03)
ω-Azido carbonyl compounds on reaction with trimethylsilyl iodide (in situ prepared from TMSCI/NaI) led to the formation of diazepine imines in good yields under mild conditions. This methodology has been applied to the parent unsubstituted pyrrolobenzodiazepine, the natural product DC-81 and its dimers. (C) 2000 Elsevier Science Ltd.
A new methodology for the reductive cyclization of ω-azido carbonyl compounds mediated by tetrathiomolybdate: Application to an efficient synthesis of pyrrolo[2,1-c][1,4]benzodiazepines
Prabhu, Kandikere R.,Sivanand,Chandrsekaran, Srinivasan
, p. 47 - 48 (2007/10/03)
The ω-azido carbonyl compounds on treatment with tetrathiomolybdate, 1 led to the formation of 5, 6 and 7 membered cyclic imines in very good yields under mild conditions. This method is applied successfully to a new efficient synthesis of 1,4-benzodiazap
Novel biocatalytic reduction of aryl azides: Chemoenzymatic synthesis of pyrrolo[2,1-c][1,4]benzodiazepine antibiotics
Kamal, Ahmed,Damayanthi,Reddy, B. S. Narayan,Lakminarayana,Reddy, B. S. Praveen
, p. 1015 - 1016 (2007/10/03)
The chemoselective reduction of aryl azides to aryl amines, and the synthesis of the imine-containing pyrrolo[2,1-c][1-4]benzodiazepine DNA-binding antitumour antibiotics by selective biocatalytic reductive cyclization of azido aldehydes, has been achieved by employing baker's yeast.
Synthesis of pyrrolo[2,1-c][1,4]benzodiazepine antibiotics via azido reductive cyclization with HMDST
Kamal, Ahmed,Reddy, B.S. Praveen,Reddy, B.S. Narayan
, p. 6803 - 6806 (2007/10/03)
A new facile synthesis of pyrrolo[2,1-c][1,4]benzodiazepine (PBD) ring system has been achieved by reductive cyclization of the azide employing hexamethyldisilathiane (HMDST). The parent unsubstituted PBD and the natural product DC-81 have also been prepared in good overall yields.
Facile Synthesis of 1,4-Benzodiazepin-5-one Derivatives via Intramolecular Aza-Wittig Reaction. Application to an Efficient Synthesis of O-Benzyl DC-81
Eguchi, Shoji,Yamashita, Keizo,Matsushita, Yuji,Kakehi, Akikazu
, p. 4006 - 4012 (2007/10/02)
The tandem Staudinger/aza-Wittig reaction of N-(o-azidobenzoyl)-α-amino acid esters gave the corresponding 1,4-benzodiazepin-5-one derivatives in moderate to good yields.This method was applied successfully to a new efficient synthesis of BzlDC-81.
Synthesis of pyrrolo[2,1-c][1,4]benzodiazepines via an intramolecular aza-Wittig reaction. Synthesis of the antibiotic DC-81
Molina, Pedro,Diaz, Isidora,Tarraga, Alberto
, p. 5617 - 5630 (2007/10/02)
A new and efficient synthesis of the pyrrolo[2,1-c][1,4]benzodiazepine ring system has been carried out using, as a key step, an intramolecular aza-Wittig reaction of the appropriately substituted N-(2-azidobenzoyl)pyrrolidine-2-carboxaldehydes. The paren
