Abstract
A method for the synthesis of desthiobiotin was developed. It is based on the reductive desulfurization of the lactam of δ -(5-bromo-4-nitro-3-amino-2-thienyl)valeric acid, saponification of the resulting ɛ-(1-aminoethyl-ɛ-enantholactam to 7,8-diaminopelargonic acid, and condensation of the latter with phosgene or urea.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 315–317, March, 1972.
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Fabrichnyi, B.P., Shalavina, I.F., Kostrova, S.M. et al. New synthesis of desthio biotin. Chem Heterocycl Compd 8, 285–287 (1972). https://doi.org/10.1007/BF00475281
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DOI: https://doi.org/10.1007/BF00475281