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8394519 
Journal Article 
Double condensation of dilithiated N-methylbenzamide with anthraquinones. Access to the diphenylanthracenic structure 
Carissimo-Rietsch, F; Schmitz, C; Aubry, JM 
1991 
1 
Tetrahedron Letters
ISSN: 0040-4039
EISSN: 1873-3581 
32 
31 
3845-3846 
English 
A new access to photochromic compounds with a diphenylanthracenic structure is presented. It starts with a double condensation of dilithiated N-methylbenzamide with anthraquinones followed by cyclization in PPA. © 1991. 
Photochromic compound - N-rmthylbenzamide - Diphenylanthracene - Anthraquinonc