3-{[(alpha-Isobutanoyloxyethoxy)carbonyl]aminomethyl]-5-Methylhexanoic Acid → 3-{[(alpha-Isobutanovloxyisobutoxy)carbonyl]aminomethyl]-5-Methyl-Hexanoic Acid

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Reaction Steps

Following the procedure of preparation for (110), and substituting (114) for (111), provided the title compound as a mixture of two diastereomers in 51% yild. 1H-NMR (CDCl3, 400 MHz): δ 0.89 (m, 12H), 1.17 (m, 8H), 1.65 (m, 1H), 2.02 (m, 1H), 2.16 (m, 1H), 2.33 (m, 2H), 2.56 (m, 1H), 3.13 (m, 1H), 3.30 (m, 1H), 5.00 (m, 1H), 6.57-6.56 (m, 1H).

Provenance & Evidence