Methyl(2S)-2-(tert-butoxy)-2-[(22S)-5-ethyl-17-fluoro-4,22,28-trimethyl-21,27-dioxa-1,7,34-triazahexacyclo[26.2.2.16,9.110,14.02,7.015,20]tetratriaconta-2,4,6(34),8,10(33),11,13,15(20),16,18-decaen-3-yl]acetate → (2S)-2-(tert-Butoxy)-2-[(22S)-5-ethyl-17-fluoro-4,22,28-trimethyl-21,27-dioxa-1,7,34-triazahexacyclo[26.2.2.16,9.110,14.02,7.015,20]tetratriaconta-2,4,6(34),8,10(33),11,13,15(20),16,18-decaen-3-yl]acetic acid

Participants

Reaction Steps

Prepared in 6.81% yield from methyl(2S)-2-(tert-butoxy)-2-[(22S)-5-ethyl-17-fluoro-4,22,28-trimethyl-21,27-dioxa-1,7,34-triazahexacyclo[26.2.2.16,9.110,14.02,7.015,20]tetratriaconta-2,4,6(34),8,10(33),11,13,15(20),16,18-decaen-3-yl]acetate following the procedure for (2S)-2-(tert-butoxy)-2-[(22S)-8-chloro-4,17,22,28-tetramethyl-21,27-dioxa-1,7,34-triazahexacyclo[26.2.2.16,9.110,14.02,7.015,20]tetratriaconta-2,4,6(34),8,10(33),11,13,15(20),16,18-decaen-3-yl]acetic acid. 1H NMR (500 MHz, DMSO-d6) δ 8.17-8.10 (m, 1H), 7.99 (s, 1H), 7.53 (t, J=7.7 Hz, 1H), 7.34 (d, J=7.7 Hz, 1H), 7.23-7.13 (m, 3H), 6.00 (br. s., 1H), 4.61 (br. s., 1H), 3.83 (t, J=11.7 Hz, 1H), 3.63 (t, J=10.8 Hz, 1H), 3.44 (d, J=7.3 Hz, 2H), 3.12 (d, J=8.4 Hz, 1H), 3.07-2.97 (m, 2H), 2.64 (d, J=8.1 Hz, 1H), 2.33 (s, 3H), 1.90-1.59 (m, 9H), 1.52 (br. s., 1H), 1.19 (br. s., 5H), 1.16 (s, 9H), 1.07 (d, J=6.2 Hz, 3H); LCMS (ESI, M+1): 672.4.

Provenance & Evidence