1 article(s) from Viehmann, Philipp
Graphical Abstract
Scheme 1: Ring-opening polymerization (ROP) of lactide with TBD or the acyclic guanidine 1 as catalysts [16,18].
Scheme 2: Illustration of a photoswitchable guanidine catalyst for the ROP of lactide and the corresponding t...
Scheme 3: Synthesis of guanidine 2E.
Figure 1: ORTEP image of the single-crystal X-ray structure of guanidine 2E, as well as a rotated close-up of...
Figure 2: UV–vis spectra of guanidine 2 in acetonitrile, c = 3.9·10−5 mol/L. (a) E→Z isomerization with irrad...
Scheme 4: Guanidine 11 as a catalyst in the ROP of rac-lactide (catalyst/initiator/monomer ratio = 10:1:100).
Figure 3: Supposed intermediates resulting from either a cyclohexane-substituted guanidine (a) [18] or an aromati...