-
technological areas.
Spiropyrans were
discovered in the
early twentieth century. In 1952,
Fisher and co-workers
reported photochromism in
spiropyrans.
Since then...
- diarylethenes, dithienylethenes, fulgides, stilbenes, norbornadiene,
spiropyrans, hydrazones, indigoids, diazocines, and
phenoxynaphthacene quinones....
- back to the 1950s, when
Yehuda Hirshberg developed the
photochromic spiropyrans and
suggested their use in data storage. In the 1970s,
Valerii Barachevskii...
-
thermal stability of both
photoforms of diarylethenes.
Spiropyrans and
spirooxazines Spiropyrans,
among the
oldest photochromic compounds, are closely...
- Neutrocyanines: R2N+=CH[CH=CH]n-CN and R2N+=CH[CH=CH]n-CHO
Merocyanines including spiropyrans and quinophthalones.
Apocyanines where two
quaternary nitrogens are joined...
- halochromism. The dyes most
commonly used are spirolactones, fluorans,
spiropyrans, and fulgides. The
acids include bisphenol A, parabens, 1,2,3-triazole...
- holography, as
spatial filter or
optical switching. Azobenzenes, stilbenes,
spiropyrans, are
prominent classes of
compounds subject to photoisomerism. In the...
-
solutions of
photochromic spiropyran molecules to UV radiation. The
ultraviolet light induces the
conversion of the
spiropyrans to
merocyanine molecules...
- carbon. An
example of a
spirocyclic compound is the
photochromic switch spiropyran. In fused/condensed
bicyclic compounds, two
rings share two
adjacent atoms...
- 1039/C6TC00110F. ISSN 2050-7534.
Berkovic G,
Krongauz V,
Weiss V (May 2000). "
Spiropyrans and
Spirooxazines for
Memories and Switches".
Chemical Reviews. 100 (5):...
