DETERMINATION OF ABSOLUTE CONFIGURATION OF 8,8,10,10TETRACHLORO-20,21-DIHYDRO-18H,23H-6,12-EPIAZENO-6λ5,8λ5,10λ5, 12λ5[1,3,2]BENZOXAZAPHOSPHONINO[2',3':8,9][1,3,5,7,9,2,4,6,8] PENTAAZATETRAPHOSPHACYCLOUNDSYNO[2,1-B][1,3,2] BENZOXAZAPHOSPHONINE USING X-RAY CRYSTALLOGRAPHY

Gamze Elmas; Aytuğ Okumuş; Satiye Sevim İsaoğlu; Tuncer Hökelek; Zeynel Kılıç

EN

DETERMINATION OF ABSOLUTE CONFIGURATION OF 8,8,10,10TETRACHLORO-20,21-DIHYDRO-18H,23H-6,12-EPIAZENO-6λ5,8λ5,10λ5, 12λ5[1,3,2]BENZOXAZAPHOSPHONINO[2',3':8,9][1,3,5,7,9,2,4,6,8] PENTAAZATETRAPHOSPHACYCLOUNDSYNO[2,1-B][1,3,2] BENZOXAZAPHOSPHONINE USING X-RAY CRYSTALLOGRAPHY

Abstract

The title compound, 8, 8, 10, 10-tetrachloro-20,21-dihydro-18H, 23H-6, 12epiazeno-6λ5, 8λ5, 10λ5, 12λ5-[1,3,2] benzoxazaphosphonino [2',3':8,9][1,3,5,7,9,2,4,6,8] pentaazatetraphosphacyclo undsyno [2,1-b] [1,3,2] benzoxazaphosphonine; C16H16Cl4N6O2P4, a cyclotetraphosphazene, has a tetrachloro-2, 4-spiro-ansa-spiro (tetrachloro-2,4-sas) architecture in which the bicyclic structure has consisted of eightmembered tetrameric N4P4 and seven-membered ansa (N1/P1/P1′/N4′/C8′/C8/N4) rings fused with a common PNP fragment. The asymmetric unit possesses one-half of the molecule. P1 and P1′ atoms are stereogenic centres. In addition, there is a mirror plane passing through the N3 and N1 atoms in the molecule, and therefore, this compound is in meso form (RS/SR). According to the checkcif result, it is found that the absolute configuration of P1 and/or P1′ phosphorus centers is RS, displaying that in the solid-state there is only one enantiomer in the unit cell. The space group is P bnm with cell parameters of a = 6.2692(2), b = 15.8111(3), c = 22.9393(4) Å.

Keywords

Cyclotetraphosphazene, spiro-ansa-spiro-Structure, X-ray crystallography

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Details

Primary Language

English

Subjects

Chemical Engineering

Journal Section

Research Article

Authors

Gamze Elmas
0000-0003-4877-3697
Türkiye

Aytuğ Okumuş
0000-0002-2169-5695
Türkiye

Satiye Sevim İsaoğlu This is me
Türkiye

Tuncer Hökelek
0000-0002-8602-4382
Türkiye

Zeynel Kılıç ^*
0000-0003-1061-8122
Türkiye

Publication Date

December 31, 2019

Submission Date

July 11, 2019

Acceptance Date

August 9, 2019

Published in Issue

Year 2019 Volume: 61 Number: 1

IZ

https://izlik.org/JA98PE25XN

APA

Elmas, G., Okumuş, A., İsaoğlu, S. S., Hökelek, T., & Kılıç, Z. (2019). DETERMINATION OF ABSOLUTE CONFIGURATION OF 8,8,10,10TETRACHLORO-20,21-DIHYDRO-18H,23H-6,12-EPIAZENO-6λ5,8λ5,10λ5, 12λ5[1,3,2]BENZOXAZAPHOSPHONINO[2’,3’:8,9][1,3,5,7,9,2,4,6,8] PENTAAZATETRAPHOSPHACYCLOUNDSYNO[2,1-B][1,3,2] BENZOXAZAPHOSPHONINE USING X-RAY CRYSTALLOGRAPHY. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering, 61(1), 1-14. https://izlik.org/JA98PE25XN

AMA

1.Elmas G, Okumuş A, İsaoğlu SS, Hökelek T, Kılıç Z. DETERMINATION OF ABSOLUTE CONFIGURATION OF 8,8,10,10TETRACHLORO-20,21-DIHYDRO-18H,23H-6,12-EPIAZENO-6λ5,8λ5,10λ5, 12λ5[1,3,2]BENZOXAZAPHOSPHONINO[2’,3’:8,9][1,3,5,7,9,2,4,6,8] PENTAAZATETRAPHOSPHACYCLOUNDSYNO[2,1-B][1,3,2] BENZOXAZAPHOSPHONINE USING X-RAY CRYSTALLOGRAPHY. Commun. Fac. Sci. Univ. Ank. Ser. B. 2019;61(1):1-14. https://izlik.org/JA98PE25XN

Chicago

Elmas, Gamze, Aytuğ Okumuş, Satiye Sevim İsaoğlu, Tuncer Hökelek, and Zeynel Kılıç. 2019. “DETERMINATION OF ABSOLUTE CONFIGURATION OF 8,8,10,10TETRACHLORO-20,21-DIHYDRO-18H,23H-6,12-EPIAZENO-6λ5,8λ5,10λ5, 12λ5[1,3,2]BENZOXAZAPHOSPHONINO[2’,3’:8,9][1,3,5,7,9,2,4,6,8] PENTAAZATETRAPHOSPHACYCLOUNDSYNO[2,1-B][1,3,2] BENZOXAZAPHOSPHONINE USING X-RAY CRYSTALLOGRAPHY”. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 61 (1): 1-14. https://izlik.org/JA98PE25XN.

EndNote

Elmas G, Okumuş A, İsaoğlu SS, Hökelek T, Kılıç Z (December 1, 2019) DETERMINATION OF ABSOLUTE CONFIGURATION OF 8,8,10,10TETRACHLORO-20,21-DIHYDRO-18H,23H-6,12-EPIAZENO-6λ5,8λ5,10λ5, 12λ5[1,3,2]BENZOXAZAPHOSPHONINO[2’,3’:8,9][1,3,5,7,9,2,4,6,8] PENTAAZATETRAPHOSPHACYCLOUNDSYNO[2,1-B][1,3,2] BENZOXAZAPHOSPHONINE USING X-RAY CRYSTALLOGRAPHY. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 61 1 1–14.

IEEE

[1]G. Elmas, A. Okumuş, S. S. İsaoğlu, T. Hökelek, and Z. Kılıç, “DETERMINATION OF ABSOLUTE CONFIGURATION OF 8,8,10,10TETRACHLORO-20,21-DIHYDRO-18H,23H-6,12-EPIAZENO-6λ5,8λ5,10λ5, 12λ5[1,3,2]BENZOXAZAPHOSPHONINO[2’,3’:8,9][1,3,5,7,9,2,4,6,8] PENTAAZATETRAPHOSPHACYCLOUNDSYNO[2,1-B][1,3,2] BENZOXAZAPHOSPHONINE USING X-RAY CRYSTALLOGRAPHY”, Commun. Fac. Sci. Univ. Ank. Ser. B, vol. 61, no. 1, pp. 1–14, Dec. 2019, [Online]. Available: https://izlik.org/JA98PE25XN

ISNAD

Elmas, Gamze - Okumuş, Aytuğ - İsaoğlu, Satiye Sevim - Hökelek, Tuncer - Kılıç, Zeynel. “DETERMINATION OF ABSOLUTE CONFIGURATION OF 8,8,10,10TETRACHLORO-20,21-DIHYDRO-18H,23H-6,12-EPIAZENO-6λ5,8λ5,10λ5, 12λ5[1,3,2]BENZOXAZAPHOSPHONINO[2’,3’:8,9][1,3,5,7,9,2,4,6,8] PENTAAZATETRAPHOSPHACYCLOUNDSYNO[2,1-B][1,3,2] BENZOXAZAPHOSPHONINE USING X-RAY CRYSTALLOGRAPHY”. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 61/1 (December 1, 2019): 1-14. https://izlik.org/JA98PE25XN.

JAMA

1.Elmas G, Okumuş A, İsaoğlu SS, Hökelek T, Kılıç Z. DETERMINATION OF ABSOLUTE CONFIGURATION OF 8,8,10,10TETRACHLORO-20,21-DIHYDRO-18H,23H-6,12-EPIAZENO-6λ5,8λ5,10λ5, 12λ5[1,3,2]BENZOXAZAPHOSPHONINO[2’,3’:8,9][1,3,5,7,9,2,4,6,8] PENTAAZATETRAPHOSPHACYCLOUNDSYNO[2,1-B][1,3,2] BENZOXAZAPHOSPHONINE USING X-RAY CRYSTALLOGRAPHY. Commun. Fac. Sci. Univ. Ank. Ser. B. 2019;61:1–14.

MLA

Elmas, Gamze, et al. “DETERMINATION OF ABSOLUTE CONFIGURATION OF 8,8,10,10TETRACHLORO-20,21-DIHYDRO-18H,23H-6,12-EPIAZENO-6λ5,8λ5,10λ5, 12λ5[1,3,2]BENZOXAZAPHOSPHONINO[2’,3’:8,9][1,3,5,7,9,2,4,6,8] PENTAAZATETRAPHOSPHACYCLOUNDSYNO[2,1-B][1,3,2] BENZOXAZAPHOSPHONINE USING X-RAY CRYSTALLOGRAPHY”. Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering, vol. 61, no. 1, Dec. 2019, pp. 1-14, https://izlik.org/JA98PE25XN.

Vancouver

1.Gamze Elmas, Aytuğ Okumuş, Satiye Sevim İsaoğlu, Tuncer Hökelek, Zeynel Kılıç. DETERMINATION OF ABSOLUTE CONFIGURATION OF 8,8,10,10TETRACHLORO-20,21-DIHYDRO-18H,23H-6,12-EPIAZENO-6λ5,8λ5,10λ5, 12λ5[1,3,2]BENZOXAZAPHOSPHONINO[2’,3’:8,9][1,3,5,7,9,2,4,6,8] PENTAAZATETRAPHOSPHACYCLOUNDSYNO[2,1-B][1,3,2] BENZOXAZAPHOSPHONINE USING X-RAY CRYSTALLOGRAPHY. Commun. Fac. Sci. Univ. Ank. Ser. B [Internet]. 2019 Dec. 1;61(1):1-14. Available from: https://izlik.org/JA98PE25XN

Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering

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Abstract

DETERMINATION OF ABSOLUTE CONFIGURATION OF 8,8,10,10TETRACHLORO-20,21-DIHYDRO-18H,23H-6,12-EPIAZENO-6λ5,8λ5,10λ5, 12λ5[1,3,2]BENZOXAZAPHOSPHONINO[2',3':8,9][1,3,5,7,9,2,4,6,8] PENTAAZATETRAPHOSPHACYCLOUNDSYNO[2,1-B][1,3,2] BENZOXAZAPHOSPHONINE USING X-RAY CRYSTALLOGRAPHY

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