Pharmaceutical co-crystals

P Vishweshwar, JA McMahon, JA Bis… - Journal of …, 2006 - Elsevier
Crystal engineering has evolved in such a manner that it is now synonymous with the
paradigm of supramolecular synthesis, that is, it invokes self-assembly of existing molecules …

Towards medicinal mechanochemistry: evolution of milling from pharmaceutical solid form screening to the synthesis of active pharmaceutical ingredients (APIs)

D Tan, L Loots, T Friščić - Chemical Communications, 2016 - pubs.rsc.org
This overview highlights the emergent area of mechanochemical reactions for making active
pharmaceutical ingredients (APIs), and covers the latest advances in the recently …

Pharmaceutical cocrystals: along the path to improved medicines

NK Duggirala, ML Perry, Ö Almarsson… - Chemical …, 2016 - pubs.rsc.org
Cocrystals, a long known but understudied class of crystalline solids, have attracted interest
from crystal engineers and pharmaceutical scientists in the past decade and are now an …

Use of a glutaric acid cocrystal to improve oral bioavailability of a low solubility API

DP McNamara, SL Childs, J Giordano, A Iarriccio… - Pharmaceutical …, 2006 - Springer
Purpose The bioavailability of a development candidate active pharmaceutical ingredient
(API) was very low after oral dosing in dogs. In order to improve bioavailability, we sought to …

Hierarchy of supramolecular synthons: persistent carboxylic acid··· pyridine hydrogen bonds in cocrystals that also contain a hydroxyl moiety

TR Shattock, KK Arora, P Vishweshwar… - Crystal growth and …, 2008 - ACS Publications
A Cambridge Structural Database (CSD) analysis was conducted in order to evaluate the
hierarchy of supramolecular heterosynthons that involve two of the most relevant functional …

Synthesis and structural characterization of cocrystals and pharmaceutical cocrystals: mechanochemistry vs slow evaporation from solution

DR Weyna, T Shattock, P Vishweshwar… - Crystal Growth and …, 2009 - ACS Publications
The reliability of solvent drop grinding (SDG), also referred to as liquid assisted grinding, wet
cogrinding, or mechanochemistry, to facilitate cocrystal formation is addressed with a series …

Tape and layer structures in cocrystals of some di-and tricarboxylic acids with 4, 4′-bipyridines and isonicotinamide. From binary to ternary cocrystals

BR Bhogala, S Basavoju, A Nangia - CrystEngComm, 2005 - pubs.rsc.org
Linear, zigzag tapes and flat, corrugated sheet structures are described in binary cocrystals
1–9 of some di-and tricarboxylic acids with 4, 4′-bipyridine bases and isonicotinamide …

Engineering and manufacturing of pharmaceutical co-crystals: a review of solvent-free manufacturing technologies

SA Ross, DA Lamprou, D Douroumis - Chemical Communications, 2016 - pubs.rsc.org
Design and synthesis of pharmaceutical cocrystals have received great interest in recent
years. Cocrystallization of drug substances offers a tremendous opportunity for the …

Structure− stability relationships in cocrystal hydrates: Does the promiscuity of water make crystalline hydrates the nemesis of crystal engineering?

HD Clarke, KK Arora, H Bass, P Kavuru… - Crystal Growth & …, 2010 - ACS Publications
This contribution addresses the role of water molecules in crystal engineering by studying
the crystal structures and thermal stabilities of 11 new cocrystal hydrates, all of which were …

Controlling polymorphism in molecular cocrystals by variable temperature ball milling

K Linberg, B Röder, D Al-Sabbagh, F Emmerling… - Faraday …, 2023 - pubs.rsc.org
Mechanochemistry offers a unique opportunity to modify and manipulate crystal forms, often
providing new products as compared with conventional solution methods. While promising …