FIELD: organic chemistry, amino acids. SUBSTANCE: invention is highly effective method of synthesis of compounds of the formula (I) 
where substituent R1 means 6-membered saturated or unsaturated heterocyclic ring containing one or two heteroatoms where the latter is N atom; or WR6 where R6 means H or C1-10-alkyl; m - whole number from 2 to 6; substituent R4 means aryl, C1-10-alkyl or C4-10-aralkyl. EFFECT: improved method of synthesis. 2 cl
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Year |
Author |
Number |
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|
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|
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RU2108338C1 |
