论文信息 - Ethyl 2-amino-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate

Ethyl 2-amino-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate

In the structure of the title compound, (C12172S)-S-H-S-NO, the terminal ester group lies in the plane of the thiophene ring system. The cycloheptene ring adopts a half-chair conformation. There are intramolecular N-HO and C-HO interactions, and intermolecular N-HO and C-H interactions.

Vasu | D. Chopra | K. Nirmala | M. R. Prasad | S. Mohan

[1] Louis J. Farrugia,et al. ORTEP-3 for Windows - a version of ORTEP-III with a Graphical User Interface (GUI) , 1997 .

[2] Giovanni Luca Cascarano,et al. Completion and refinement of crystal structures with SIR92 , 1993 .

[3] D. Cremer,et al. General definition of ring puckering coordinates , 1975 .

[4] K. Gewald,et al. Heterocyclen aus CH‐aciden Nitrilen, VIII. 2‐Amino‐thiophene aus methylenaktiven Nitrilen, Carbonylverbindungen und Schwefel , 1966 .