Phenyl methyl carbamate

Photolytic. When triadimefon was subjected to UV light for 1 wk, p-chlorophenol, 4-chloro-phenyl methyl carbamate, and a 1,2,4-triazole formed as products (Clark et al., 1978). 

Figure 8.10 Base-catalyzed second-order rate constants for the hydrolysis of Al-phenyl- and A -phenyl-methyl carbamates illustrating the effect of the substitution on the carbamate nitrogen. [Reproduce from N. L. Wolfe, R. G. Zepp and D. F. Paris, Carbaryl, propham, and chlopropham a comparison of the rates of hydrolysis and photolysis with the rate of biolysis , Water Res. 12, 561. Copyright 1978, with permission from Elsevier.

Pesticides N-nitrosated under 1m vitro and vivo conditions in the laboratory have included the fungicide ziram (zinc dimethyldithiocarbamate), the insecticides carbaryl (1-naphthyl methyl carbamate) and propoxur (o-isopropoxy phenyl methyl carbamate) and the herbicides benzthiazuron [N-(2-benzothiazolyl)-N -methylurea], simazine [2-chloro-4,6-bis(ethylamino)-s-triazine] and atrazine [2-chloro-4-(ethylamino)-6-(isopropylamino)-s-triazine). 

Thus the carbonyl at i on o-f nitrobenzene with CO in the presence o-f methanol to a-f-ford directly N-phenyl methyl carbamate... 

Reaction of 2 methoxy 4"propenyl phenyl methyl carbamate, 11, with... 

Reaction of 2-methoxy-4-propenyl phenyl methyl carbamate, 11, with 4-pheny1-1,2,4-triazoline-3,5-dione, 1. A 100 ml round-bottomed flask was charged with 1.58 g (9.04 x 10 mole) of I and 40 ml of CH2CI2. The red solution was cooled in an ice bath with stirring. To this red solution, a... 

Copolymerization Reaction of 2-Methoxy-4-propenyl Phenyl Methyl Carbamate,... 

Scheme 24.28 Synthesis of Tertbutvl- [dimethvl(ph8nvl)silyl](phenyl)methyl carbamate.

M. Oestreich et al. studied the copper-catalyzed aldimine addition of nucleophilic silicon, released from Me2PhSiBpin reagent in protic medium (151). The application of tert-butyl(ben-zylidene) carbamate as aldimine component gave rise to tert-butyl- [dimethyl (phenyl) silyl] (phenyl) methyl carbamate 226 in moderate yield. The replacement of CuCN catalyst by NHC— copper(I) complex (L CuCl) led to higher yield of this compound (Scheme 24.28) (152). 

Scheme 2.23 Oxidative carbonylation of aniline to synthesize diphenyl urea or A/-phenyl methyl carbamate.

The silica gel-confined IL catalyst can also be prepared by the ship-in-bottle or the molecular self-assembly method. By using this method, the integration of free metal complex, that is, Pd(phen) ", and room-temperature IL solvent molecule, that is, [DMImjBr into whole catalytic active site, which was confined into the supercage of NaY zeolite with appropriate arrangement in space, was successfully realized, Figure 2.36 [98]. This catalyst exhibited excellent catalytic performance in the oxidative carbonylation of aniline to afford N-phenyl methyl carbamate with up to 23 000 mol moh h i TOF numbers. 

Z-Gly-NHBz[Carbamic acid, [2-oxo-2-[(phenyl-methyl)amino]ethyl]-, phenylmethyl ester] A 94%... 

CN [3-[[2-methoxy-4-[[[(2-methylphenyl)sulfonyl]amino]carbonyl]phenyl]methyl]-l-methyl-lH-indol-5-yl]carbamic acid cyclopentyl ester... 

Benzyl frans-1,3-butadiene-1-carbamate 1,3-Butadienecarbamic acid, benzyl ester (8) Carbamic acid, 1,3-butadienyl-, phenyl-methyl ester (9) ( —)... 

Figure 1. Plot of obsd for ring closure of phenyl N-(2-hydroxyphenyl)-N-methyl carbamate to N-methyl-2 benzoxazolinone and phenoxide ion at 25° in H O with m - 0 5 M (with KCl).

Although these protecting groups may seem bizarre, their value lies in the fact that they can be removed easily by acid-catalyzed hydrolysis under very mild conditions. The sequence of steps is shown in Equation 23-10 and involves proton transfer to the carbonyl oxygen and cleavage of the carbon-oxygen bond by an SN1 process (R = tert-butyl) or SN2 process (R = phenyl-methyl). The product of this step is a carbamic acid. Acids of this type are unstable and readily eliminate carbon dioxide, leaving only the free amine (also see Section 23-12E) ... 

Water Dimethoate, fenamiphos, bromophos ethyl, fenthion, coumaphos, fenchlorfos, chlorpyriphos, monocrotophos, mevinphos, fosphamidon, paraoxon, azinphos methyl, foxim, carbophenothion, bromophos methyl Carbamates, phenyl urea, anilides, nitrofenoles... 

Ethyl N-benzylcarbamate and its nitroso compound have been prepared by methods similar to those described for ethyl N-methylcarbamate and its nitroso compound.2 3 2-Phenylcyclo-heptanone has been prepared by the reaction of ethyl N-nitroso-N-benzylcarbamate4 with cyclohexanone,5 by the reaction of phenyldiazomethane with cyclohexanone,6 by the reaction of ethyl N-nitroso-N-methyl carbamate with 2-phenylcyclohexa-none,6 and by the rearrangement of l-phenyl-2-cyclohexylethylene oxide.7... 

N-(phenyl methylene)- (622-29-7), 65, 140 2-Methyl-2-butene 2-Butene, 2-methyl- (513-35-9), 65, 159 Methyl carbamate Carbamlc acid, methyl ester (598-55-0), 65, 159 METHYL 4-CHLORO-2-BUTYNOATE 2-BUTYN0IC ACID, 4-CHL0R0-, METHYL ESTER (41658-12-2), 65, 47... 

Fujita, T., Kamoshita, K., Nishioka, T., Nakajima, M. (1974) Physicochemical parameters for structure-activity studies of substituted phenyl N-methyl-carbamates. Agric. Biol. Chem. 38, 1521-1528. 

S-(R, S )J-phenyl-methyl [1-oxiranyl-2-(phenylthio)ethyl]-carbamate (VI)... 

Substituted Phenyl N-Methyl Carbamates Rate of alkaline hydrolysis in vitro (37)... 

SYNS C RBAMIC ACID, (((1,1-DIMETHYLETHOXY)-SULFINYL)METHYL)-,2-(l-METHYLETHOXY)PHENYL ESTER 2-(l-METHYLETHOXY)PHENYL(((l,l-DIMETHYLETHOXY)SULFINYL)METHYL)CARBAMATE... 

SYNS BAY 39731 BAY 105807 BAYER 39731 CARBAMIC ACID, METHYL-, o-ISOPROPYLPHENYL ESTER CARBAMIC ACID, METHYL-, 2-(l-METHYI ETHYL)PHEKYL ESTER o-CUMENYL METHYL-CARBAMATE ENT 25,670 ETROFOLAN D HYTOX ISOPROCARB ISOPROCARBE o-ISOPROPYI PHENOL METHYLCARBA L TE o-ISOPROPYLPHENYL N-METHYLCARBAMATE 2-ISOPROPYL-PHENYL N-METHYLCYRBAMATE KHE0145 2-(l-... 

C8H805 spinulosin 85-23-4 25.00 1.3178 2 13735 C8H9N02 carbamic acid, phenyl-, methyl ester 2603-10-3 19.47 1.1446 2... 

---