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Structure of photochromic spiroxazines. I. 1,3,3-Trimethylspiro[indoline-2,3'-[3H]-naphtho[2,1-b][1,4]oxazine]

โœ Scribed by Millini, R. ;Del Piero, G. ;Allegrini, P. ;Crisci, L. ;Malatesta, V.


Book ID
114508450
Publisher
International Union of Crystallography
Year
1991
Tongue
English
Weight
336 KB
Volume
47
Category
Article
ISSN
0108-2701

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Synthesis and properties of 1,3,3-trimet
โœ Mark York; Richard A. Evans ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 319 KB

## a b s t r a c t The synthesis and photochromic properties of 1,3,3-trimethylspiro[indoline-2,3 0 -naphtho[2,1-b][1,4]oxazin]-6 0 -amine, a novel red-colouring photochromic spirooxazine and derivatives is reported. The synthesis proceeds via an unusual one-pot transamination, oxime formation, N-O