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Comparison of laboratory-reared eggs, embryos and larvae of five labrid fishes
Although morphology of free embryos and larvae of all five species was very similar, differences in pigmentation, location of the anus, and the needle-like projections were apparent. Expand
Cyclization reactions of hydrazones induced by isocyanates. Syntheses of 1,3,4-thiadiazoline and 1,2,4-triazoline derivatives
Cycloadditions de N 2 -isopropylidene S-methyl dithiocarbazate, de N 3 -isopropylidene S-methyl N 1 -phenyl thiocarbamohydrazonate, de N 1 -isopropylidene N 4 -phenyl thiosemicarbazide et deExpand
1,2,4-triazines. 1. A convenient synthesis of 4,5-dihydro-1,2,4-triazin-3-(2H)one and its 6-substituted derivatives
A facile synthesis of 4,5-dihydro-1,2,4-triazin-3-(2H)one (2a) from 5-methylthio-1,2,4-triazin-3-(2H)one (1a) with sodium borohydride is described. The reaction provides a convenient method for itsExpand
Age and growth of the labrid fish Halichoeres poecilopterus in Ago bay, central Japan
The present report deals with the age and growth of the wrasse Halichoeres poecilopterus (Pisces: Labridae) in relation to sex types examined by scale reading, based on fish taken from Ago Bay, Mie Prefecture, Japan from July 1977 to August 1985. Expand
2H-1,2,4,6-Thiatriazin-3(4H)-one 1-oxides and their regioselective N4-methylation and -amination
The syntheses of 2H-1,2,4,6-thiatriazin-3(4H)-one 1-oxides and 1,1-dioxides is described. The reaction of 1-carbamoyl-2-methylisothioureas 2 with thionyl chloride gaveExpand
1,2,4-Triazines. 8. Reduction of 4-methyl-1,2,4-triazin-5(4H)-ones with sodium borohydride. Regioselective preparation of dihydro-1,2,4-triazin-5(4H)-ones†
Reduction of 3-methylthio-1,2,4-triazin-5(4H)-one (1a) with sodium borohydride afforded 3-methylthio-1,6-dihydrotriazin-5(4H)-one (2b) selectively. 3-Methylthio-6-t-butyl-1,2,4-triazin-5(4H)-one (1d)Expand
5-Substituted amino-3,6-dichloro-1,2,4-triazines as new potential herbicides
(1990). 5-Substituted amino-3,6-dichloro-1,2,4-triazines as New Potential Herbicides. Agricultural and Biological Chemistry: Vol. 54, No. 12, pp. 3367-3369.
Specific deamination of 4-amino-1,2,4-triazin-5(4H)-ones by catalytic oxidation with t-butylhydroperoxide. A chemical model for metabolism of 1,2,4-triazine herbicides
Abstract The oxidation of 4-amino-1,2,4-triazine herbicides (1) with t-butylhydroperoxide catalyzed by Co(Salen) resulted in the specific deamination of the 4-amino group, providing a chemical modelExpand
A Convenient One-Step Synthesis of 1,3-Disubstituted 6-Methylthio-2,4-dioxo-1,2,3,4-tetrahydro-1,3,5-triazines [6-Methylthio-1,3,5-triazine-2,4(1H, 3H)-diones]
Preparation a partir d'alkyl-1 methyl-3 urees et d'isothiocyanate de propionyle dans l'acetonitrile