Towards novel thieno-fused subporphyrazines via functionalized thiophene precursors

ABSTRACT

Thieno-fused subporphyrazines (TPs) containing a central and axially substituted boron atom are a class of compounds with interesting optical and redox properties. Here we present our efforts towards expanding this class of compounds using various thiophene substrates that were prepared by cyanation or nitration of 3,4-dibromothiophene. Moreover, we show that one TP derivative forms a 2:1 complex in the solid state with C₇₀.

GRAPHICAL ABSTRACT

KEYWORDS:

• Cyanation
• fullerene
• nitration
• subphthalocyanine
• thiophene

Disclosure statement

No potential conflict of interest was reported by the author(s).

Notes

1 For other studies on subporphyrazine derivatives with fullerenes, see for example, [17,18].

Additional information

Funding

The Independent Research Fund Denmark Natural Sciences [grant number 8021-00009B] is acknowledged for financial support.