Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1980-03-28
1982-08-10
Raymond, Richard
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
542448, 542471, 542454, 549 28, 549416, C07D33308, C07D33332, C07D33334
Patent
active
043439489
ABSTRACT:
2,6-Di-tert-butyl-4-methyl thiopyrylium salt of the formula (I): ##STR1## wherein Z.sup..crclbar. is an anionic function and certain intermediates encountered in its synthesis.
REFERENCES:
patent: 3900582 (1975-08-01), Winter et al.
Yur'ev et al., Russian Chemical Reviews, vol. 31, No. 2, pp. 88 and 95-100 (1962).
Yano et al., Chem. Lett. (Japan) 1978, pp. 723-726, (relied upon as abstracted in chemical abstracts, vol. 89, Abst. 178,836, 1978).
Nishino et al., J. Am. Chem. Soc. vol. 101, pp. 5059-5060, Aug. 1979.
Nishino et al., Chem. Abst. vol. 91, Abst. #193148q (1979) (Abst. of Nishino et al. Supra).
Murata et al., Chem. Abstracts, vol. 92, Abst. 180,972z (1980), (Abst. of Murata et al., Hibenzenkei Hokozoku Kagaku Toronkai [Oyobi], Kozo Yuki Kaka ku Toronkai 12th 1979, pp. 77-80 (Japan).
Katsuyama Harumi
Kawamura Kouichi
Sato Hideo
Fuji Photo Film Co. , Ltd.
Raymond Richard
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