Thermally cross-linkable two-photon chromophores

Details Thermally cross-linkable two-photon chromophores Thermally cross-linkable two-photon chromophores

2008-01-15

2008-01-15

Saeed, Kamal A. (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07319151

ABSTRACT:
Provided are new two-photon absorbing chromophores of the formula:wherein R is an alkyl group having 1 to 20 carbon atoms and Q is OH, OMe, propargyloxy-(O—CH2—C≡CH), methylpropargyloxy-(O—CH2—C≡C—CH3), allyloxy-(O—CH2—C═CH2),1-methyl-allyloxy(O—CH2—CH═CHCH3) and 3-methyl-allyloxy (O—CH(CH3)—CH═CH2).

REFERENCES:
patent: 6300502 (2001-10-01), Kannan et al.
patent: 6555682 (2003-04-01), Kannan et al.
patent: 6730793 (2004-05-01), Kannan et al.
patent: 6867304 (2005-03-01), Tan et al.
Belfield et al., “Synthesis of New Two-Photon Absorbing Fluorene Derivatives via Cu-Mediated Ullmann Condensation” Journal of Organic Chemistry, vol. 65, No. 15, 2000.
Tan, Loon-Seng; Kannan, Ramamurthi; Dombroskie, Ann G.; Simko, Sharon R.; Houtz, Marlene D.; He, Guang S.; Lin, Tzu-Chau; Prasad, Paras N. “Synthesis and characterization of thermally cross-linkable, two-photon responsive chromophores.” Polymer Preprints (American Chemical Society, Division of Polymer Chemistry) (Mar. 2004), 45(1), 901-902.

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