Silicon(iv) tetraazachlorin – an unusual cycloaddition product from 3,4-diphenyl-1H-pyrrole-2,5-diimine†
Ekaterina D.
Rychikhina, 
a
Svetlana S.
Ivanova,
*a
Nikolay V.
Somov,
b
Dmitry A.
Lazovskiy
a
and
Pavel A.
Stuzhin
*a
a
Svetlana S.
Ivanova,
*a
Nikolay V.
Somov,
b
Dmitry A.
Lazovskiy
a
and
Pavel A.
Stuzhin
*a
Abstract
Template cyclotetramerization of crude 3,4-diphenyl-1H-pyrrole-2,5-diimine with SiCl4 leads to, along with the expected Si(IV) octaphenylporphyrazine, an unusual side-product – a silicon(IV) tetraazachlorin containing a fused pyrrolo[1,2-a]imidazolone moiety.
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