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PREPARATION OF ALKYL ESTERS OF BENZOXAZOZYL-2-CARBAMINIC ACID AND STUDY OF INTERMEDIATE’S STRUCTURE

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Ўзбекистон кимё журнали

Ўзбекистон кимё журнали

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ARTICLE ANNOTATION

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Background. The government attaches great importance to the further rise of agriculture. A significant place in these events spared the chemicalization of agriculture and animal husbandry. In recent years, a number of important decrees have been adopted that determined the main directions of development of the chemical industry. The government drew attention to the need for a broad development of research on the creation of herbicides, fungicides and drugs for controlling pests of agricultural crops, organizing the search and industrial production of new pesticides. Purpose of this study is to find new pesticides that would easily decompose and not accumulate in the environment. The search for active fungicides in the benzoxazolinone series has been carried out because benzoxazolinone and its 6-methoxy analogs are natural fungicides. In this regard, it was necessary to develop new methods for obtaining alkyl esters of benzoxasolyl-2-carbamic acid, as well as new classes of organic compounds. Methodology. The structure of the synthesized benzoxasolyl-2-carbamic acid alkyl esters is confirmed by elemental analysis, IR and mass spectra. Originality. In the study of the reaction of calcium guanamide, alkyl chloroformate with o-aminophenol, a new method was developed for the preparation of benzoxasolyl-2-carbamic acid alkyl esters. Findings. Synthesized compounds were tested as fungicides in the laboratory of the ICPS of the Academy of Sciences of UzR. These compounds exhibit a fungicidal action against the pathogen Verticillum dahlia. Highlights: - synthesis of alkyl esters of benzoxazolyl-2-carbamic acid; - the structure of the intermediate reaction products was proved.

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# цианамид кальция# метил-# этил-# пропил- и бутилхлорформиаты# о-аминофенол# эфиры бензоксазолил-2-карбаминов# кальций цианамид# пропил- ва бутилхлорформиатлари# бензоксазолил–2–карбамин кислота# calcium cyanamide# methyl-# ethyl-# propyl- and butyl- chloroformate# o-aminophenol# propyl- and butyl-benzooxasolyl-

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Article Identifiers

ROI:

https://eroi.uz/11.0030/A1219-0018

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