Novel Syntheses of bis-Spiropyran Photochromic Compounds Using Ultrasound II

REFERENCES

• Bertelson , R. C. 1971 . Photochromism , Edited by: Brown , G. H. NY : Willey . Chap III ISBN 0–471–92894–1
   Google Scholar
• Dagani , Ron . 1996 . Chemical & Engineering News . September 23 1996 .
   Google Scholar
• Parthenopoulos , Dimitri A. and Renetzepis , Peter M. 1989 . Science , 245 : 843
   PubMed Web of Science ®Google Scholar
• Seto , Jun'etsu . 1990 . Infrared Absorbing Dyes , Edited by: Matsuoka , M. NY : Plenum Press . Chap. 7 ISBN 0–306–43478–4
   Google Scholar
• Gonzalez , E. A. , Torres , R. and Vazquez , L. 1995 . Synthetic Comm. , 25 ( 1 ) : 105
   Web of Science ®Google Scholar
• Mex. patent 947449 . Sept., 24th, 1994 .
   Google Scholar
• Delzene , G. A. and Smets , G. J. Belg. patent 2,012,029 . 1969 .
   Google Scholar
• Guglielmettie , R. , Ribes , F. and Metzeger , J. 1972 . Bull. Soc. Chim. Fr. , 1 : 143
   Google Scholar
• Zattseva . 1973 . Khim. Giterotsikl , 10 : 1362
   Google Scholar
• Brooker , L. G. , Keyes , G. H. and Hesteltine , D. W. 1951 . J. Amer. Chem. Soc. , 73 : 5350
   Web of Science ®Google Scholar
• Gautron , R. French Patent 1 451,332 and 1,450,583 . 1966 .
   Google Scholar