219869-44-0Relevant articles and documents
Synthesis method of tert-butyl 2-oxa-6-azaspiro[3.4]octan-8-yl carbamate
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Paragraph 0038-0040, (2021/08/11)
The invention discloses a synthesis method of tert-butyl 2-oxa-6-azaspiro[3.4]octan-8-yl carbamate, which comprises the following steps: step 1, reducing nitryl of a compound 1 into amino under the catalysis of nickel to obtain a compound 2; step 2, reacting the compound 2 with (Boc)2O to add a Boc protecting group on the amino group to obtain a compound 3; and step 3, carrying out catalytic hydrogenation on the compound 3 to remove benzyl so as to obtain a compound 4. The method disclosed by the invention has the advantages of easily available raw materials, convenience in operation, safety in reaction, easiness in control, suitability for amplification, short route, higher total yield, suitability for industrial production and the like.