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Pyrrolobenzodiazepines as key intermediates in the synthesis of dimeric cytotoxic pyrrolobenzodiazepines

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TLDR
In this article, a method of synthesis of compounds of formula (Ia) or (Ib): and salts, solvates, and chemically protected forms thereof, wherein the dotted lines indicate the optional presence of a double bond between C1 and C2 or C2 and C3.
Abstract
Compounds and a method of synthesis of compounds of formula (Ia) or (Ib): and salts, solvates, and chemically protected forms thereof, wherein the dotted lines indicate the optional presence of a double bond between C1 and C2 or C2 and C3; R2 and R3 are independently selected from -H, =O, =CH2, -CN, -R, OR, halo, =CH-R, O-SO2-R, CO2R and COR; R10 is a carbamate-based nitrogen protecting group; and R11 is an oxygen protecting group.

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References
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Biodegradable, implantable drug delivery depots, and method for preparing and using the same

TL;DR: An implantable drug deliver depot comprising a hydrophilic poly(glutamic acid-co-ethyl glutamate) structure having one or more substances, e.g., drugs and/or diagnostic agents physically contained therein, is designed to release the substance or substances at predetermined rates and in predetermined sequence.
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1,5-benzodiazepine derivatives

TL;DR: The 1,5-Benzodiazepine derivatives have an excellent gastrin and/or CCK-B receptor antagonism and are useful as remedies for gastric ulcer and gastrointestinal movement disorder as discussed by the authors.
Journal ArticleDOI

Design, synthesis, and evaluation of a novel pyrrolobenzodiazepine DNA-interactive agent with highly efficient cross-linking ability and potent cytotoxicity.

TL;DR: A novel sequence-selective pyrrolobenzodiazepine (PBD) dimer 5 (SJG-136) has been developed that comprises two C2-exo-methylene-substituted DC-81 (3) subunits tethered through their C8 positions via an inert propanedioxy linker that is a highly efficient minor groove interstrand DNA cross-linking agent that is 440-fold more potent than melphalan.
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Synthesis of DNA-interactive pyrrolo[2,1-c][1,4]benzodiazepines (PBDs).

TL;DR: A significant effort has been made to increase the base-pair span and sequence-selectivity of PBD molecules so that they might be used as gene-targeting agents in biological experiments and possibly as therapeutic agents.
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