4-hydroxy-3-nitrobenzaldehyde
reagent for reductive alkylation of protein amino groups
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Related Diseases
| 1. | Neoplasms (Cancer)
05/26/2006
- " In 0.1 M phosphate buffer, pH 3.0, and at 37 degrees C, resveratrol ((E)-3,4',5-trihydroxystilbene, 1a), an antioxidant and cancer chemopreventive phytoalexin, reacted smoothly at 25 microM or 1 mM concentration with excess nitrite ions (NO2(-)) to give a complex pattern of products, including two novel regioisomeric alpha-nitro (3a) and 3'-nitro (4) derivatives along with some (E)-3,4',5-trihydroxy-2,3'-dinitrostilbene (5), four oxidative breakdown products, 4-hydroxybenzaldehyde, 4-hydroxy-3-nitrobenzaldehyde, 3,5-dihydroxyphenylnitromethane, and 3,5-dihydroxybenzaldehyde, two dimers, the resveratrol (E)-dehydrodimer 6 and restrytisol B (7), and the partially cleaved dimer 2. The same products were formed in the absence of oxygen. "
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