Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1980-07-08
1981-11-24
Shaver, Paul F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C07C 8728
Patent
active
043026028
ABSTRACT:
A novel compound, 2-(N,N-dimethyamino) indan-1,3-dione, is useful as an ultraviolet absorbent and is produced from salicylaldehyde, betaine and acetic anhydride.
REFERENCES:
patent: 3980707 (1976-09-01), Vanags et al.
patent: 4207335 (1980-06-01), Buckle et al.
"Chemical Abstracts", 90, 214,745d, 1979.
Hokkaido Sugar Co., Ltd.
Shaver Paul F.
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