SYNTHESIS OF SOME o-AMINOPHENOL DERIVATIVES AND ANTIOXIDANT ACTIVITIES

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Tác giả: Thị Hiền Hà, Thị Ngọc Mai Nguyễn, Văn Tuấn Phạm, Thị Thu Trang Trần, Thị Huấn Trịnh

Ngôn ngữ: eng

Ký hiệu phân loại:

Thông tin xuất bản: Hong Duc University Journal of Science, 2023

Mô tả vật lý: tr.84

Bộ sưu tập: Metadata

ID: 381248

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o-Amino phenol derivatives are well-known reagents in organic synthesis. Two o-aminophenol 6a, 6b were synthesized successfully from corresponding o-nitrophenol derivatives in 75% over the yield in 5 steps. Two steps were promoted with microwave irradiation for 4-6 minutes in high yield. Conversion of nitro to amino group was reduced with Na2S2O4 in ethanol in 75% yield. Structures of them were elucidated carefully by IR and NMR methods. Two compounds 6a, 6b were exhibited antioxidant activity with SC50 = 12.23 mg/mL and 22.96 mg/mL.

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