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isatin/dichloromethane
Povezava se shrani v odložišče
3 rezultatov
Synthesis of spiro[indoline-3,3'-pyrrolizines] by 1,3-dipolar reactions between isatins, L-proline and electron-deficient alkenes.
Samo registrirani uporabniki lahko prevajajo članke
Prijava / prijava
Two spiro[indoline-3,3'-pyrrolizine] derivatives have been synthesized in good yield with high regio- and stereospecificity using one-pot reactions between readily available starting materials, namely L-proline, substituted 1H-indole-2,3-diones and electron-deficient alkenes. The products have been
Antimicrobial studies of some novel quinazolinones fused with [1,2,4]-triazole, [1,2,4]-triazine and [1,2,4,5]-tetrazine rings.
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Prijava / prijava
Three series of novel and new fused heterocyclic systems, viz. triazolo[4,3-a]-quinazolin-7-ones (4), [1,2,4,5]-tetrazino[4,3-a]-quinazolin-8-ones (6) and indolo[2,3-c][1,2,4]-triazino[4,3-a]-quinazolin-8-ones (8) have been synthesized from the key intermediate
Metabolic markers for the yield of lipophilic indole alkaloids in dried woad leaves (Isatis tinctoria L.).
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Prijava / prijava
The pharmacologically active dichloromethane extracts of dried woad leaves (Isatis tinctoria L.), and the methanol extracts of comparable fresh leaves of the same plants, were analyzed by LC-MSn. The fresh leaf metabolite profile revealed a complex pattern of indolic compounds. Besides
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