Preprints.org · ·Added 12 Nov 2026

Spiro-(Fluorene-9,4′-Imidazolidine)-2′,5′-Dithione

Dimitar Stoitsov, Marin Marinov, Virdginia-Isabelle Markova, Petya Marinova, Plamen Penchev, Neyko Stoyanov

DOI ↗

Abstract

The structure of spiro-(fluorene-9,4’-imidazolidine)-2’,5’-dithione was verified by 1D (1H, 13C, DEPT 135) and 2D NMR (1H-1H COSY, HMQC and HMBC) spectroscopy. Additionally, the completely assigned NMR data was supported by Raman band assignments. HOSE predictions were incorporated by using the open-access NMRShiftDB database for verification of the assigned 13C NMR chemical shifts.

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