Aliphatic amino-substituted flourans
Abstract
Abstract A CHROMOGENIC MATERIAL OF NORMALLY COLORLESS FORM IS DISCLOSED, HAVING A STRUCTUAL FORMULA: 3-(O=),6''-((R3)2-N-),2''-(R1-CH(-R2)-N(-R)-)SPIRO(PHTHALAN- 1,9''-XANTHENE) WHEREIN, R1 AND R3 REPRESENT HYDROGEN RADICALS AND ALKYL RADICALS; AND R2 REPRESENTS ESTER, ACYL, ALKYLENE AND PHENYL RADICALS; SAID MATERIALS ASSUMING A COLORED FORM UPON REACTIVE CONTACT WITH A LEWIS ACID MOLECULE. EXAMPLES INCLUDE 2-((CARBO-TERT-BUTOXY)METHYLAMINO)-6''-DIETHYLAMINOFLUORAN; 2''(N-(CARBETHOXYMETHYL)-N-METHYLAMINO)-6''-DIETHYLAMINOFLUORAN; 2''-ALLYLAMINO-6''-DIETHYLAMINOFLUORAN; 6''DIETHYLAMINO-2''-(N-(N'',N''-DIMETHYLCARBAMOYLMETHYL) AMINO)FLUORAN; 6''-DIETHYLAMINO-2''-(N-PHENACYL)AMINOFLUORAN; 2''-((CARBOMETHOXY)METHYLAMINO)-6''-DIETHYLAMINOFLUORAN AND 2''(N-(A-CARBETJPXYETHYL)AMINO)-6''-DIETHYLAMINOFLUORAN.
Inventors
- 👤 T Hoover
- 👤 A Wright
Bibliographic Details
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