Spironolactone: New Polymorphic Form III and Revisiting Form II at Low Temperatures

C Golz, A Krawczuk - Crystal Growth & Design, 2023 - ACS Publications
The steroidal drug spironolactone is known for its propensity to form many polymorphs and
solvate forms that are governed by dispersive interactions and hence is a subject of interest …

Solid-solid phase transitions between crystalline polymorphs of organic materials

IB Rietveld - Current Pharmaceutical Design, 2023 - ingentaconnect.com
In this review, the analysis of solid-solid phase transitions between crystalline polymorphs of
organic molecules is discussed. Although active pharmaceutical ingredients (APIs) are the …

Ethanol-and heat-mediated phase change from a kinetic (Z′= 4) polymorph to a thermodynamic (Z′= 1) polymorph for an N 2, 6-diaryl-1, 3, 5-triazine-2, 4-diamine

SL Tan, YS Tan, MSB Shahari, A Junaid… - …, 2023 - pubs.rsc.org
Two polymorphs, α (Z′= 4) and β (Z′= 1), of an N2, 6-diaryl-1, 3, 5-triazine-2, 4-diamine
derivative have been isolated at different times from ethanol solution. Significant …

Thermal fluctuation-induced selective CO 2 uptake of seemingly nonporous N, C-protected dipeptide crystals as elucidated by in situ X-ray crystallographic analysis

K Yamanaka, R Oketani, Y Mori, T Sato, S Tsuzuki… - …, 2024 - pubs.rsc.org
Described are two experimental findings:(1) selective CO2 uptake by dipeptide-based
molecular crystals of Boc-L-methionyl-L-alanine methyl ester 1 with seemingly nonporous …

A lot to unpack: A decade in high Z'crystal structures

PG Waddell - CrystEngComm, 2025 - pubs.rsc.org
Crystal structures that form with more than one molecule in the asymmetric unit (Z'> 1) are a
fascinating and important, if overlooked, aspect of crystal engineering. With the recent …

Groupoid of intermolecular contacts and its fuzzy Cayley graph

AM Banaru, DA Banaru, SM Aksenov - Moscow University Chemistry …, 2023 - Springer
This article defines a group of intermolecular contacts for a monosystemic molecular
structure described by one of the crystallographic symmetry groups (space, subperiodic …

[HTML][HTML] Группоид межмолекулярных контактов и его нечеткий граф Кэли

АМ Банару, ДА Банару, СМ Аксенов - … университета. Серия 2 …, 2023 - cyberleninka.ru
В статье дано определение группы межмолекулярных контактов для моносистемной
молекулярной структуры, описываемой одной из кристаллографических групп …

ВЕСТНИК МОСКОВСКОГО УНИВЕРСИТЕТА. СЕРИЯ 2: ХИМИЯ

ВИ ТИШКОВ, АА ПОМЕТУН, СС САВИН - ВЕСТНИК МОСКОВСКОГО …, 2023 - elibrary.ru
NAD (P)+-зависимая формиатдегидрогеназа (КФ 1.2. 1.2, FDH) катализирует простую с
точки зрения химии и биологии реакцию окисления формиат-иона до углекислого газа …