Rhodamine derivatives

Details Rhodamine derivatives Rhodamine derivatives

1994-03-16

1995-04-25

Tsang, Cecilia

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549227, 8509, 8510, 8511, 8516, C07D22118, C07D31188, D06P 352, D06P 370

Patent

active

054100534

ABSTRACT:
There are described rhodamine derivatives of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl, or R.sup.2 is paired off with R.sup.5 or R.sup.4 with R.sup.6 to form 1,3-propylene, which can be substituted,

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A. Rosowsky, E. J. Modest, J. Org. Chem., 2,2,4-Trimethyl-1, 2-Dihydroquin-Olines . . . , vol. 30, pp. 1832 to 1837, (1965).
A. B. Shapiro, et al., Institute of Chemical Physics, Academy of Sciences, U.S.S.R., Hydrozyquinolines [I, R.sub.n =6 or 7-HO, 6,8-(HO)2](1977).

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