HCID 10025041, compound → HCID 11756332, compound

Participants

Reaction Steps

Using the procedure analogous to Example 52, enantiomer 1 of 5-{1-Ethyl-1-[4-(2-hydroxy-3,3-dirnethyl-butoxy)-3-methyl-phenyl]-propyl}-3-methyl-thiophene-2-carboxylic acid (Example 7) (0.2 g, 0.48 mmol) and 2-amino-2-methyl-propionic acid methyl ester hydrochloride salt (0.018 g, 0.53 mmol) to give the title compound (0.20 g, 0.39 mmol, 71%). 1HNMR (CDC3), δ 0.69 (t, J=7.0 Hz, 6H), 1.01 (s, 9H), 1.60 (s, 6H), 2.02-2.13 (m, 4H), 2.19 (s, 3H), 2.44 (s, 3H), 3.70 (dd, J=8.9, 2.6 Hz, 1H), 3.76 (s, 3H), 3.86 (t, J=8.7, 1H), 4.09 (dd, J=9.4, 2.6 Hz, 1H), 6.28 (s, 1H), 6.59 (s, 1H), 6.73 (d, J=8.4 Hz, 1H), 6.99 (d, J=2.2 Hz, 1H), 7.04 (dd, J=8.4, 2.2 Hz, 1H). LC/MS (m/z): calcd. for C29H44NO5S (M+H)+: 518.7; found: 518.2.

Provenance & Evidence