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 KILIÇ

Makale detayları

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

Yazarlar:

Gamze ELMAS | Aytuğ OKUMUŞ | Satiye Sevim İSAOĞLU | Tuncer HÖKELEK | Zeynel KILIÇ

Yayıncı:

Ankara University

Ana Başlıklar:

Kimya mühendisliği

Dergi:

Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 2019 Vol.61 Issue 1, pp.1-14

Belge Tipi:

Makale

Yayın Tarihi:

12/2019

Belge Dili:

İngilizce

Document ID (Org No.):

2000709907

Sıklık:

İki Yıllık

eISSN:

2687-4806

pISSN:

1303-6017

Özet:

 

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.

Makale detayları

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

Yazarlar: Gamze ELMAS | Aytuğ OKUMUŞ | Satiye Sevim İSAOĞLU | Tuncer HÖKELEK | Zeynel KILIÇ

Yayıncı: Ankara University

Ana Başlıklar: Kimya mühendisliği

Dergi: Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 2019 Vol.61 Issue 1, pp.1-14

Belge Tipi: Makale

Yayın Tarihi: 12/2019

Belge Dili: İngilizce

Document ID (Org No.): 2000709907

Sıklık: İki Yıllık

eISSN: 2687-4806

pISSN: 1303-6017

Sayı

Yazarlar:

Gamze ELMAS | Aytuğ OKUMUŞ | Satiye Sevim İSAOĞLU | Tuncer HÖKELEK | Zeynel KILIÇ

Yayıncı:

Ankara University

Ana Başlıklar:

Kimya mühendisliği

Dergi:

Communications Faculty of Sciences University of Ankara Series B Chemistry and Chemical Engineering 2019 Vol.61 Issue 1, pp.1-14

Belge Tipi:

Makale

Yayın Tarihi:

12/2019

Belge Dili:

İngilizce

Document ID (Org No.):

2000709907

Sıklık:

İki Yıllık

eISSN:

2687-4806

pISSN:

1303-6017