Abstract
Introduction of a substituent into a sterically demanding 2-position of a 3-(4-pyrrolidinophenyl) ring of a 3,3-diaryl-3H-naphtho[2,1-b]pyran results in the generation of an additional short wavelength absorption band leading to organic photochromes that appear as dull shades of orange and red.
Original language | English |
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Pages (from-to) | 737-745 |
Number of pages | 9 |
Journal | Tetrahedron |
Volume | 62 |
Issue number | 4 |
Early online date | 28 Oct 2005 |
DOIs | |
Publication status | Published - 23 Jan 2006 |
Externally published | Yes |