Controlled formation of the acid− pyridine heterosynthon over the acid− acid homosynthon in 2-anilinonicotinic acids

S Long, T Li - Crystal growth & design, 2009 - ACS Publications
Four substituted 2-anilinonicotinic acids were synthesized, and their crystal structures were
analyzed. It was found that by chemically introducing bulky functional groups to the aniline …

Enforcing molecule's π-conjugation and consequent formation of the acid− acid homosynthon over the acid− pyridine heterosynthon in 2-anilinonicotinic acids

S Long, T Li - Crystal growth & design, 2010 - ACS Publications
Two different synthons, acid− acid and acid− pyridine, are present in the crystal structures of
2-(phenylamino) nicotinic acid. The intermolecular hydrogen-bonding motifs are determined …

Preferred formation of the carboxylic acid–pyridine heterosynthon in 2-anilinonicotinic acids

P Chen, Z Zhang, S Parkin, P Zhou, K Cheng, C Li… - RSC …, 2016 - pubs.rsc.org
The carboxylic acid–carboxylic acid homosynthon and carboxylic acid–pyridine
heterosynthon are two competing supramolecular synthons in 2-anilinonicotinic acids that …

Supramolecular synthons and hydrates in stabilization of multicomponent crystals of nicotinamide and isonicotinamide with N-containing aromatic dicarboxylic acids

B Das, JB Baruah - Crystal growth & design, 2011 - ACS Publications
Multicomponent crystals (either cocrystal or salt) of nicotinamide (nicotinic acid amide) and
isonicotinamide with various nitrogen heterocycle-containing aromatic dicarboxylic acids …

The robust {C (= O) OH··· N (py)} heterosynthon persists in co-crystals formed between anthranilic acid and molecules with amide/pyridyl functionality

HH Arman, T Miller, ERT Tiekink - Zeitschrift für Kristallographie …, 2012 - degruyter.com
Co-crystals formed between anthranilic acid and each of N, N′-bis (pyridin-2-ylmethyl)
oxalamide (1) and N, N′-bis (pyridin-3-ylmethyl) oxalamide (2) have been formed from …

Evaluation of Concomitant Halogen and Pnictogen Bonds in Cocrystals of Imines Derived from 2-Nitrobenzaldehyde and 4-Haloaniline

NB Topić, N Bedeković, L Poljanić… - Crystal Growth & …, 2024 - ACS Publications
Three imines have been prepared by condensation of 2-nitrobenzaldehyde and 4-
haloanilines (halo= Cl, Br, and I) with functionalities that enabled them to act as both …

Manifestation of cocrystals and eutectics among structurally related molecules: towards understanding the factors that control their formation

R Ganduri, S Cherukuvada, S Sarkar, TNG Row - CrystEngComm, 2017 - pubs.rsc.org
Co-crystallization among isomeric pyridinecarboxylic acids and amides was executed
towards the understanding of the formation of cocrystals and eutectics in structurally related …

Supramolecular synthons in phenol–isonicotinamide adducts

P Vishweshwar, A Nangia, VM Lynch - CrystEngComm, 2003 - pubs.rsc.org
Molecular complexes of four phenols (hydroquinone, resorcinol, phloroglucinol and 4-
hydroxybenzoic acid) with isonicotinamide are characterized by X-ray diffraction …

The 2-aminopyridinium-carboxylate supramolecular heterosynthon: A robust motif for generation of multiple-component crystals

JA Bis, MJ Zaworotko - Crystal growth & design, 2005 - ACS Publications
An analysis of the Cambridge Structural Database reveals that 77% of compounds that
contain both 2-aminopyridine and carboxylic acid moieties generate 2-aminopyridine …

Polymorphism of an organic system effected by the directionality of hydrogen-bonding chains

S Long, S Parkin, M Siegler, CP Brock… - Crystal Growth and …, 2008 - ACS Publications
Four polymorphs of 2-[methyl (phenyl) amino] nicotinic acid were discovered, and their
single crystal structures were obtained at 90 K. In addition, one monohydrate and one salt …