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Josephine Bicknell ; Sidhaesh A. Agarwal ; Kyle J. Petersen , et al. Cryst. Growth Des.,2024,24(12):5222-5230. DOI: 10.1021/acs.cgd.4c00457
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Abstract: Lipophilic aggregation using adamantanes is a widely exploited molecular property in medicinal and materials chemistry. Adamantanes are traditionally installed to molecular units via covalent bonds. However, the noncovalent installation of adamantanes has been relatively underexplored and presents the potential to bring properties associated with adamantanes to molecules without affecting their intrinsic properties (e.g., pharmacophores). Here, we systematically study a series of adamantanecarboxylic acids with varying substitution levels of methyl groups and their cocrystals with bipyridines. Specifically, single-crystal X-ray diffraction shows that while the directionality of single-component adamantanes is notably sensitive to changes in methyl substitution, hydrogen-bonded cocrystals with bipyridines show consistent and robust packing due to π-stacking predominance. Our observations are supported by Hirshfeld surface and energy framework analyses. The applicability of cocrystal formation of adamantanes bearing carboxylic acids was used to generate the first cocrystals of adapalene, an adamantane-bearing retinoid used for treating acne vulgaris. We envisage our study to inspire noncovalent (i.e., cocrystal) installation of adamantanes to generate lipophilic aggregation in multicomponent systems.
Purchased from AmBeed: 106685-40-9 ; 828-51-3 ; 14670-94-1 ; 2632-99-7 ; 4916-57-8 ; 15291-66-4
CAS No. : | 106685-40-9 | MDL No. : | MFCD03106112 |
Formula : | C28H28O3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | LZCDAPDGXCYOEH-UHFFFAOYSA-N |
M.W : | 412.52 | Pubchem ID : | 60164 |
Synonyms : |
CD271
|
Chemical Name : | 6-(3-(Adamantan-1-yl)-4-methoxyphenyl)-2-naphthoic acid |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302 | Packing Group: | N/A |
GHS Pictogram: |