Dimethyl carbamate

Hydroxypyridine Dimethyl carbamic acid chloride Methyl bromide... 

Vontor, T., Socha, J., and Vecera, M. Kinetics and mechanism of hydrolysis of 1-naphthyl, -methylcarbamate and N,N-dimethyl carbamates. Collect Czech. Chem. Common., 37 2183-2196, 1972. 

Gas chromatographic separation of amphenicols is further complicated by the need for derivatization of their polar functional groups. Silyl derivatives formed by treating sample extracts with N,O-bis(trimethylsilyl)acetamide (49), trimethylsilyl N,N-dimethyl carbamate (47), N,O-bis(trimethylsilyl)tri-fluoroacetamide/trimethylchlorosilane (99 1) mixture (32, 51), or mixture of... 

The A/, A/-dimethyl carbamate 351, upon treatment with LDA followed by benzaldehyde, gave a mixture of dimethyl and diethylamino derivative... 

The /V./V-dimethyl carbamates derived from 5-, 7-, and 8-hydroxyquino-lines 366, 368, and 370 were regioslectively converted into products 367, 369, and 371, respectively, using the LDA/TMSC1 equilibrium shift procedure (Scheme 113) [87JOM(336)l]. 

The use of NBD-Cl for the fluorescence analysis of alkylamine-generating pesticides has been investigated [173]. A two-phase reaction system is employed for the hydrolysis and labeling of N-methyl- and N,N-dimethyl-carbamate pesticides. The residue is hydrolyzed in 0.1 M sodium carbonate and the liberated amine is treated with NBD-Cl in an organic phase (IBMK, isobutyl methyl ketone) above the aqueous layer. An aliquot portion of the organic layer is used for chromatography. The reactions involved are shown in Fig. 4.65. 

Dimethylcarbamic acid-2-(dimethylamino)-5,6-dimethyl-4-pyrimidinyl ester, 2-(dimethylamino)-5,6-dimethyl-4-pyrimidinyl dimethyl carbamate, Pirimor. 

Synthesis of model systems analogous to histamine led to the pharmacologically interesting aminoethylpyrazoles.32-34 Dimethyl-carbamates and dialkylphosphates of 5-hydroxypyrazoles have been used practically as choline esterase inhibitors.35-41 Such compounds as Isolan (2), Pyrolan (3), and Pyrazoxon (4), which are too toxic for pharmacology, are used as systemic insecticides. There is evidence that 3,5-dimethylpvrazole has a stimulating action on plants.42... 

Monomethyl carbamates hydrolyze more rapidly than dimethyl carbamates, because of the lesser steric congestion near the carbonyl. In addition, NH-contain-... 

Preparation of ( )-3-(l-hexyl-fr ns-3,4-dimetliyl-4-piperidinyl)phenyl dimethyl-carbamate... 

Nitrophenylazo)-4-(N-acetyl-N-ethylamino)-5-methylphenyl-N,N-dimethyl carbamate... 

In a 6-sq.-mile test of the male annihilation technique initiated in 1952 in Hawaii the methyleugenol, which oriental fruit flies consume avidly, was exposed on sugarcane flberboard squares, distributed at the rate of about 40 per sq. mile. Pyrolan (3-methyl-l-phenyl-5-pyrazolyl dimethyl carbamate), a strong stomach poison, was added to the lure to kill the male flies. The poisoned feeding stations were retreated each month. Reductions in infestation averaged 74, 70, 82, and 60% at 700-, 1100-, 1500-, and 1900-foot elevations in the treated area, again with only partial isolation. Infestations rapidly increased after termination of the experiment. 

SYNS DIMETHYLCARBAMATE-d l-ISOPROP X-3-METHYI S-PYRAZOLYLE (FRENCH) DIMETHYL-CARBAMIC ACID 3-METHYL-l-(l-METHYLETH X)-lH-PYRAZOD5-YL ESTER O EXT 19,060 GEIGY G-23611... 

ISOL, N ISOLANE (FRENCH) (l-ISOPROPIL-3-METIL-lH-PIRAZOL-5-IL)-N,N-DIMETIL-CARBAMMATO (ITALIAN) (1-ISOPROPYL-3-METHYL-1H-PYRAZOL-5- t L)-N,N-DIMETHYLCARBA LAAT (DUTCH) (1-ISOPROPYL-3-METHYL-lH-PYRAZOL-5-YL)-N,N-DIMETHYL-CARBAMAT (GERMAN) ISOPROPYL-METHYLPYRAZOLYLDIMETHYLCARBAMATE 1-ISOPROPYL-3-METHYL-5-PYRAZOLYL DIMETHYL-CARBAMATE 1-ISOPROPYL-3-METHYLPYRAZOLYL-(5)-DIMETHYLCARBAMATE 5-METHYL-2-ISOPROP- I L-S-PYR.AZOLYL DIMETHYLCARBAMATE PRIMIN... 

CARBAMIC ACID, DIMETHYL, ester with (m-HYDROXYPHENYL)TRIMETHYLAMMONIUM BROMIDE EUSTIGMIN BROMIDE (m-HYDROXY-PHENYL)TRIMETHYLAMMONIUM BROMIDE DIMETHYLCARBAMATE 3-HYDROXYPHENYL-TRIMETHYLAMMONIUM BROMIDE DIMETHYL-CARBAMIC ESTER KIRKSTIGMINE BROMIDE LEOSTIGMINE BROMIDE NEOESERINE BROMIDE... 

Mercury(II) trifluoroacetate was found to be an effective catalyst for the equilibration of allylic A7, V-dimethyl carbamic esters at room temperature10 11. Tertiary allylic carbamates isomer-ized cleanly to the more stable, internal double-bond isomers at low concentration of mer-cury(II) trifluoroacetate (0.3 equiv). By use of an excess of mercury(ll) trifluoroacetate (3 equiv) contra-thermodynamic allylic isomerization of the carbamic ester of 2-alken-l-ols, which contained a disubstituted double bond, to the corresponding l-alken-3-ol derivatives could be achieved. Formation of a covalent adduct of the carbamic ester with the mercury(II) ion is responsible for this rearrangement. 

C5H11N02 ethyl-N,N-dimethyl carbamate 687-48-9, 23.46 0.9308 2 5976 C5H13NO (S)-(+)-2-amino-3-methyl-1-butanol 2026-48-4 25.00 0.9260 1... 

Most N-methyl and N,N-dimethyl carbamates are better AChE inhibitors than BuChE inhibitors. 

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