نتایج جستجو برای: resorcinol
تعداد نتایج: 1063 فیلتر نتایج به سال:
The role of the oxygen of the benzopyran substituent of Delta(9)-tetrahydrocannabinol in defining affinity for brain cannabinoid (CB(1)) receptors is not well understood; however, it is known that opening the pyran ring can result in either increased potency and affinity, as in CP 55,940 [(-)-cis-3-[2-hydroxy-4(1,1- dimethyl-heptyl)phenyl]-trans-4-(3-hydroxy-propyl)cyclohexanol], or in an inact...
BACKGROUND Hair dye products constitute an important source of allergen exposure, and contribute importantly to allergic contact dermatitis in consumers and hairdressers. OBJECTIVES To evaluate the presence of potent contact sensitizers in oxidative hair dye products intended for home use on the US market. METHODS Ingredient labels of 107 hair dyes from 10 major brands were examined and use...
protonation of the reactive intermediate produced in the reaction between trimethyl phosphite and dimethyl acetylenedicarboxylate or diethyl acetylenedicarboxylate by resorcinol, 5-methylresorcinol, 2,5-dihydroxyacetophenone, 4-chloro-2-methylphenol, 4-chloro-3,5-dimethy-lphenol, 4-hydroxypyridine, 2-hydroxypyridine, 3-hydroxypyridine, or 8-hydroxyquinoline leads to vinylphosphonium salts, whi...
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