hydantoin


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hydantoin

[hī′dant·ə·wən]
(organic chemistry)
C3N2O2H A white, crystalline compound, melting point 220°C; used as an intermediate in certain pharmaceutical manufacturing and as a textile softener and lubricant. Also known as glycolyurea.
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1c]; CRF, chronic renal failure; CDPs, carbamylation-derived products; EPO, erythropoietin; cLDL, carbamylated LDL; cHb, carbamylated hemoglobin; VH, valine hydantoin.
To unambiguously prove that the OH group was consumed by the NCO, the product was heated overnight at 60[degrees]C in an open scintillation vial and monitored for the formation of hydantoin rings (Fig.
The first-generation AEDs known to cause birth defects and other developmental toxicities include the hydantoins (ethotoin [Peganone], fosphenytoin [Cerebyx], mephenytoin [Mesantoin], and phenytoin [Dilantin]), phenobarbital, primidone (Mysoline), carbamazepine (Tegretol), and valproic acid derivatives (Depakene, Depakote).
Children with fetal hydantoin syndrome typically show multiple symptoms, including disorders of growth and of mental development, dysmorphic craniofacial features, and hypoplasia of the nails and distal phalanges.
There are five classes of agents typically used to control seizures: hydantoins, barbiturates, benzodiazepines, succinamides and diones.
The 1,5 dichloro 5,5 dimethyl hydantoin had the highest average strength, but was not statistically different from that of n-bromomethyl phthalimide or n-iodosuccinimide.
When she specifically asked her physician about the risks of these medications during pregnancy, she was not told about the possibility of fetal hydantoin syndrome, which could result from those medications.
Hydantoin derivatives were prepared and the enol/keto ratios determined.
Tenders are invited for Lactones, neog, heterocyclic compounds only hetero-atom (s) of nitrogen, with the structure of noncondensable pirazynove ring, pyrimidine ring or ring piperazolne phenothiazine ring system not further condensation; hydantoin and its derivatives; sulfonamides (narcotic and psychotropic drugs, precursors)
20 (DMDM hydantoin (and) iodopropynyl butylcarbamate) Laraquat (Lonza Consumer Care) 2.
Grey et al and Keppler et al (6) had stated that cloacal extrophy is associated with maternal exposure to diphenyl hydantoin and valproic acid and cigarette smoking.
Phenytoin also causes a pat tern of defects collectively called the fetal hydantoin syndrome (FHS), characterized by variable degrees of hypoplasia and ossification of the distal phalanges and craniofacial abnormalities.