Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The intramolecular cyclization of 3-amino-3-(3-thienyl) propionic acid to 4-amino-5,6 dihydro-4H-cyclopenta [b] thiophene was achieved using a mixture of trifluoroacetic acid and anhydride. ... Cookies are used by this site. To decline or learn more, visit our Cookies ...
![(+/-)-2,2,2-trifluoro-N-(cis-5,6-dihydro-6-hydroxy-4H-cyclopenta[b]thiophen-4-yl)acetamide Structure](https://image.chemsrc.com/caspic/155/108046-21-5.png)
![2,2,2-trifluoro-N-(5,6-dihydro-4H-cyclopenta[b]thiophen-4-yl)acetamide Structure](https://image.chemsrc.com/caspic/079/108046-23-7.png)