TY - JOUR
T1 - Puckering behavior in six new phosphoric triamides containing aliphatic six- and seven-membered ring groups and a database survey of analogous ring-containing structures
AU - Vahdani Alviri, Banafsheh
AU - Pourayoubi, Mehrdad
AU - Saneei, Anahid
AU - Keikha, Mojtaba
AU - van der Lee, Arie
AU - Crochet, Aurélien
AU - Abdul Salam,, Abdul Ajees
AU - Nečas, Marek
AU - Fromm, Katharina M.
AU - Damodaran, Krishnan
AU - Jenny, Titus A.
PY - 2018/1/4
Y1 - 2018/1/4
N2 - The influence of a N heteroatom on the ring conformations of six- and seven-membered aliphatic rings in six new C(O)NHP(O)-based phosphoric triamide structures (analysed by X-ray crystallography) is investigated. Additionally the influence of steric and crystal packing effects is also studied by the analysis of Hirshfeld surfaces. The results are compared to analogous structures with three- to seven- aliphatic membered rings deposited in the Cambridge Structural Database. In the newly determined structures, the six-membered rings only show the near-chair conformation with a maximum deviation of the θ puckering parameter of 4.4° from the ideal chair value of 0°/180° while the seven-membered rings are found in different conformations such as near-chair, twist chair and twist sofa.
AB - The influence of a N heteroatom on the ring conformations of six- and seven-membered aliphatic rings in six new C(O)NHP(O)-based phosphoric triamide structures (analysed by X-ray crystallography) is investigated. Additionally the influence of steric and crystal packing effects is also studied by the analysis of Hirshfeld surfaces. The results are compared to analogous structures with three- to seven- aliphatic membered rings deposited in the Cambridge Structural Database. In the newly determined structures, the six-membered rings only show the near-chair conformation with a maximum deviation of the θ puckering parameter of 4.4° from the ideal chair value of 0°/180° while the seven-membered rings are found in different conformations such as near-chair, twist chair and twist sofa.
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U2 - 10.1016/j.tet.2017.11.030
DO - 10.1016/j.tet.2017.11.030
M3 - Article
AN - SCOPUS:85035207280
SN - 0040-4020
VL - 74
SP - 28
EP - 41
JO - Tetrahedron
JF - Tetrahedron
IS - 1
ER -