4-butyl-3,5-dioxo-2-methyl

CiiHnNO 84080-68-2) see Cefixime 17,21-(l-butyl-l-methoxymcthylenedioxy)-3,20-dioxo-9-fluoro-lip-hydroxy-l(Sa-methyl-l,4-pregnadiene (C2gH3gF06 1062-64-2) see Dexamethasone valerate S-(crt-butyl 3-methyl 2,6-dimethyl-4-(3-nitrophenyl)-l,4-dihydropyridine-3,5-[Pg.2319]

Das cyclische Additionsprodukt von 2-tert.-Butyl-l,3,2-oxathiaphospholan und 3-Benzyliden-2,4-dioxo-pen-tan zerfallt beim Erhitzen auf 100 unter Bildung von 4-Acetyl-2-tert.-butyl-5-methyl-3-phenyl-2,3-dihydro-1,2-oxaphosphol-2-oxid5>B ... [Pg.209]

Di- -butyl[9-(10,10-dioxo-10,10,10,10-tetrahydrothioxanthyl)]methyl Carbamate (DBD-Tmoc-NR2) ... [Pg.509]

CN 4-chlorobenzoic acid (4-butyl-3,5-dioxo-1,2-diphenyl-4-pyrazolidinyl)methyl ester... [Pg.831]

Singh, R.P. and Chiba, M. Solubility of benomyl in water at different pHs and its conversion to methyl 2-benzimidazolecarba-mate, 3-butyl-2,4-dioxo[l,2-a]-s-triazinobenzimidazole, and l-(2-benzimidazolyl)-3-/ -butyl urea. J. Agric. Food Chem., 33(l) 63-67, 1985. [Pg.1724]

Di-t-butyl[9-(10,10-dioxo-l0,10,10,10-tet-rahydrothioxanthyl)]methyl carbamates, to protect amines, 320 Di-f-butylmethylsilyl esters, to protect carboxyl groups, 263... [Pg.236]

Oxazolidin 5-Butyl-2,4-dioxo-5-methyl- E4, 242 [HamstofF + R2C(OH)-COOR]... [Pg.520]

H-l,2-Oxazin 3-Ethoxycarbonyl-6-methoxy-5-methyl- E9a, 99 (Methylen -+ En —CH3) 2H-l,3-Oxazin 3-Butyl-2,4-dioxo-6-methyl-3,4-dihydro- E15/2, 2418 (4-Oxo — 4H-1,3-dioxin/A + R-NCO)... [Pg.641]

Butyl-l, 1 -dichloro-3,5-dioxo-2-methyl- El2b, 536 (H3C-CO-A-CO ch2-r + TeCl4)... [Pg.789]

Butyl-3,3-dimethyl-2.6-dioxo-EI4a/2, 306 (Keten + Imin) 3-Pentanol 4-Methyl-4-nitro-l-phenyl- E16d, 216 (CH-N02 + R-CHO)... [Pg.1045]

Dichloro-2,6-dimethyl-3,5-dioxo-4-(2-methyl-butyl)- E12b, 536 (R-CH2-CO-A-CO-CH2-R + TeCl4)... [Pg.1061]

Aminocarbonyl-1,4-dimethyl-4-hexyl-2-oxo- E16b, 538 (aus 3-Diazo-2,4-dioxo-pyrrolidin) l-tert.-Butyl-3-(cyan-ethoxycarbo-nyl-methyl)- E16c, 877 (0-S02-R -> CHR2) Bicyclo[4.1.0jheptan 7-(Nitro-... [Pg.1062]

The following alkoxypyrazines have been prepared from the corresponding dichloropyrazines and alkoxide ions 2,3-dimethoxy-5,6-dimethyl(and diphenyl) (797) 2,3-dibenzyloxy (sodium benzyl oxide in benzyl alcohol at reflux for 24 hours (883)] [but 23-dichloropyrazine with sodium hydride and benzyl alcohol in xylene gave l,4-dibenzyl-2,3-dioxo-l,2,3,4-tetrahydropyrazine)(988)] 2-chloro-5-methoxy (838) 2,5-diethoxy-3,6-dimethyl (872) 2methanolic sodium methoxide refluxed for 2 h) 2,5-dimethoxy-3-phenyl (817) 2-chloro-5-methoxy(and ethoxy)-3,6-diphenyl (817) 2,5-dimethoxy-3,6-dimethyl (and diisopropyl) (844) 2,5-dimethoxy-3-isopropyl-6-methyl (methanolic potassium methoxide at reflux for 6 days) (844) 2(5)-s-butyl-3-chloro-6-ethoxy-5(2)-isobutyl (93) 2-chloro-6-methoxy (838, 883) 2,6-dimethoxy (reflux for 8h) (832) 2,6-diethoxy (reflux for 14 h) (883) 2-benzyloxy-6-chloro (1 equiv. of sodium hydride and benzyl alcohol in benzene at reflux) (832) 2,6-dibenzyloxy (5 equiv. of sodium benzyloxide in benzene at reflux gave 70%) (832) and 3,5-dimethoxy-2-methyl (535). [Pg.136]

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