Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1977-09-26
1982-08-17
Daus, Donald G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
424251, 544281, 71 86, C07D48704, A01N 922
Patent
active
043450784
ABSTRACT:
O-Alkyl-O-[5-carbalkoxy-7-alkyl-pyrazolo-(1,5-.alpha.)-pyrimidin-2-yl]-(thi ono) (thiol)-phosphoric (phosphonic) acid esters of the formula ##STR1## in which R, R.sup.2 and R.sup.3 each independently is alkyl,
REFERENCES:
patent: 3402176 (1968-09-01), Schicke
patent: 3478029 (1969-11-01), Schicke
patent: 3496178 (1970-02-01), Scherer et al.
patent: 3950337 (1976-04-01), Hoffmann et al.
Hammann Ingeborg
Hofer Wolfgang
Maurer Fritz
Riebel Hans-Jochem
Schroder Rolf
Bayer Aktiengesellschaft
Daus Donald G.
Turnipseed James H.
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