... Sun., U, 11 (1948). (16) J. W. Clark-Lewis and PI Mortimer, J. Chsm. Sw., 191 (1961). ... 1366 WANI AND WALL The Journal of Organic Chemistry uv rnax 222 mp (e 50,300), 267 (27,400), 330 (12,100), 382 (28,- OOO); nmr (DMSO-&) d 0.88 (t, 3, C-l8), 1.85 (m, 2, C-19), ...