Synthesis and structural study 2:1 clathrate inclusion complexes of bis(iminophosphorane)ethane with different solvents guest molecules

Petric Mihaela; Crişan Manuela E.; Croitor Lilia; Bourosh Pavlina; Kravtsov Victor; Micle Andreea; Ilia Gheorghe

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PETRIC, Mihaela, CRIŞAN, Manuela E., CROITOR, Lilia, BOUROSH, Pavlina, KRAVTSOV, Victor, MICLE, Andreea, ILIA, Gheorghe. Synthesis and structural study 2:1 clathrate inclusion complexes of bis(iminophosphorane)ethane with different solvents guest molecules. In: New trends and strategies in the chemistry of advanced materials with relevance in biological systems, technique and environmental protection, 8-9 iunie 2017, Timișoara. Timişoara, România: Institute of Chemistry Timişoara of the Romanian Academy, 2017, Ediția a 10-a, p. 75.

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New trends and strategies in the chemistry of advanced materials with relevance in biological systems, technique and environmental protection
Ediția a 10-a, 2017

Conferința "New trends and strategies in the chemistry of advanced materials with relevance in biological systems, technique and environmental protection"
Timișoara, Romania, 8-9 iunie 2017

Synthesis and structural study 2:1 clathrate inclusion complexes of bis(iminophosphorane)ethane with different solvents guest molecules

Pag. 75-75

Petric Mihaela¹, Crişan Manuela E.¹, Croitor Lilia², Bourosh Pavlina², Kravtsov Victor², Micle Andreea³, Ilia Gheorghe¹

¹ Institute of Chemistry Timisoara of the Romanian Academy,
² Institute of Applied Physics, Academy of Sciences of Moldova,
³ General Inspectorate of Romanian Police

Proiecte:

Menționat în lucrare: 16.80013.5007.04/Ro Noi derivaţi Carboxilici Aromatici non-toxici cu rol în REglarea creşterii PLANTelor: de la sinteza şi investigaţii structurale la teste biologice

Disponibil în IBN: 29 iulie 2020

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Teza

Iminophosphoranes are valuable building blocks in organic, organometallic and coordination syntheses, being key compounds with biological and pharmacological activity. Recently, it has been shown that triclinic (P-1 space group) crystal form of bis(iminophosphorane)ethane (1) represent 1:1 toluene solvate [1], in which the host molecules encapsulate toluene molecule in the cavity of ~230Å3. The solubility and bioavailability of crystalline compounds may strongly depend on the polymorph type or solvate forms therefore we have undertaken the investigation of different crystalline solvates of 1 with the smaller solvent molecules. Five new isomorphous 2:1 clathrate inclusion complexes of 1, Fig.1, with water, ethanol, ethanol/acetonitrile, tetrahydrofurane, and acetone have been synthesized and structurally characterized by X-ray method. All compounds crystallize in the monoclinic C2/c space group, Table 1. The solvent molecule occupies the cavity with the volume only 82-115 Å3. Thus, the size of solvent molecule influences on stoichiometry and the resulting crystalline form.Acknowledgement Authors thanks the bilateral Moldova-Romanian project 16.80013.5007.04/Ro and the Romanian National Authority for Scientific Research and Innovation, CCCDI-UEFISCDI, project PN3-P3-217/24 BM/19.09.2016 1. Micle A. et al. Tetrahedron Letters 50 (2009) 5622–5624.

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