0 Hits

  • Previous / Next

You are using Science Of Synthesis as a Guest.
Please login or sign up for a free trial to access the full content. Variation 1: Catalysis with Sulfonated and Carboxylated Phosphines

DOI: 10.1055/sos-SD-042-00428

Toffano, M.Science of Synthesis, (200942375.

The most popular water-soluble sulfonated phosphines are triarylphosphines such as sodium 3-(diphenylphosphino)benzenesulfonate (57, n=2) (TPPMS) and tris(3-sulfonatophenyl)phosphine trisodium salt (57, n=3) (TPPTS) (Scheme 23).

Meeeee 88 Meeeeeee ee Meeeeeeeee eee Meeeeeeeeeee Meeeeeeeee[‌888‌‌888‌]

Meeeeeeeeeeee ee eeeeeee ee eeee eeeeeeeeeee eee eeeeeeeeeee eeeeeeee ee eeeeeeee eee eeee eeeeeeeee eeee eeeee eeeeeeeeeeeeeeee eeeeee eee M=M eeee eee eeeeeeeee eeeeee ee eeeee eeeeeee(MMM) eeeeeeee eee MMMMM.[‌888‌] Mee eeeeeeeeeeeeeeee eeeeeee ee eee eeeeeeeee ee eeeeeeee ee ee eeeeeee eeeeeeee eeeeee eee eeeeeee ee eee eeeeee ee eeeee eeeeeeee. Mee eeeeeee, α,β-eeeeeeeeeee eeeeeeeee eee eeeeeee ee eee M=M eeee ee eeeeeee/MMMMM eeeeeee eee M=M eeee eeeeeeeee ee eeeeeeee ee eeeeeeeee/MMMMM ee e eeeee/eeeeeee eeeeeee (Meeeee 88).[‌888‌]

Meeeee 88 Meeeeeeeeee eee Meeeeeeeeeeee ee α,β-Meeeeeeeeee Meeeeeeee[‌888‌]

Meeeeeeee(MM) eeeeeeeeMMMMM eeeeeee eee eeeeee eeeeeee eeeeeeeeeee eeeeee eee M=M eeee ee eeeeeeeee ee eeeeeeee eeeeeeeeeeeee eeee eeee eeeeeeeeee (>88%).[‌888‌] Meeeeee eeeeeeeee eee eeeeeee eee eeeeeeeeeeeeee eeeeeeeeeeee ee eeeeee-8-ee eeee eeeeee(eeeeeeeee-8,8-eeeee)eeeeeee(M) eeeeeMMMMM eeeeeee. Mee eeeeeeee ee eeeeeeeee ee eeeeeeeeeee eee eeeeee.[‌888‌] Mee eeeeeeeeeeeeeeee ee eeeeeee eeeee e eeeeeeeeeee ee eeeeeee, eeeeeeeee, eee eeeeee eeeeeeeee eeee MMMMM eee MMMMM eee eeee eeeeeeeeeee eeeeeeeeeeee.[‌888‌‌888‌] Mee eeeeeeeee eee ee eeeeeeee eeeeeee eeeeeeeeeee eeee ee eeeeeeee ee eeeeeeeeeee.[‌888‌,‌888‌] Meeee-eeeeeee eeeeeeeee eeeeeee eeee eeeee eeee eee ee eeeeeeee eeeeeeeee.[‌888‌,‌888‌] MMMMM eee MMMMM eee eeee ee eeeeeee ee eeee eeeeeeeeeeee ee eeeee-eeeeeeeee eeeee-eeeeeeee eeeeeeeee[‌888‌] eeee ee Meee,[‌888‌] ee Meeeee.[‌888‌] Me eee eeee eeeeeeee eeee eeee(8,8-eeeeeeee-8-eeeeeeeeeeeeeee)eeeeeeeee 88 (MMMMM) ee eeeeeeee ee eee eeeeeeee eeee MMMMM ee eeeeeeeee-eeeeeeeee Meee, e.e. eee eee eeeeeeeeeee ee 8-{8-[(M)-8-eeeeeeeeeee]eeeeee}eeeeeeee (88), eee Meeeee eeeeeeee eeeeeeeee eeeee eeee eeeeeeeeee (Meeeee 88).[‌888‌] Meeeeeeeee 8-(eeeeeeeeeeeeeeeeeeeee)-8,8-eeeeeeeeeeeeeeeee (MMeee) eeeeee 88 eee eeeeeeeeee eeeeeeeee 88 eeee eeee eeeeeeeee. Meeee eeeeeeeeeee eeeeeeeeee eeeeeee eeee eeeeeee eeeeeeeee eee Meee eee Meeeeeeeeee eeeeeeee eeeeeeeee.[‌888‌]

Mee eeeeee-eeee Meeeeeeeeee eeeeeeee eeeeeeee ee eeeeeeeee ee eee eeeeeeeeeeee eeeeeeeee eeee(8-eeeeeeeeeeeee)eeeeeeeee eeeeeeeeee eeee (88) (e-MMMMM) ee eee eeeeeeee ee eeeeeeeee(MM) eeee eeeeeeee ee eeee eeeeee.[‌888‌] Me eee eeeeeeee ee e eeeeeeeee eeeeeee, eeeeeeeee 88 eeeeee eeeeeeeee eeeeeeeee eee Meeeee eeeeeeee eeeeeeeee eeee eeeeeeeeeee eeeeeee eeeee.[‌888‌] Meee eeeeeeee, eeeeeeeeeee eeeeeeeee eeeeeeeeeeee eeeeeeeeeeeeeeeeee eeeeeeeee eeee eeee eeeeeee ee e Meeeee eeeee eeeeeeee eeeeeeee ee eeeeeee eeeeee. M eeeeeeee eeeeeeeee eeeeee ee eeeeeeee eeeeee ee eeeeeeee.[‌888‌]

Meeeee 88 Meeeeee Meeeeeeee eee Meee Meeeeeee eeeeeee 8-Meeeeeeeeeeeeeeee eee Meeeeee ee Meeeeee Meeee[‌888‌]

Meeeeeeeeeee Meeeeeeee

8-{8-[(M)-8-Meeeeeeeeee]eeeeee}eeeeeeee (88); Meeeeee Meeeeeeee:[‌888‌]

Me(MMe)8 (8.8ee, 8.888eeee), MMMMM (88; 88.8ee, 8.888eeee), eee Me8MM8 (888ee, 8.8eeee) eeee eeeee ee e 88-eM eeeee-eeeeeeee eeeee eeeeeeee eeee e eeeeeee eee eee eeeeee eeeeee eeeee ee eee eeeeee. Meee eeeeeeee eee eeeee eeee eee eeeeee, eeee eeeeee (8.88eeee), eeeeeee (888ee, 8.88eeee), eee eeeeeeee MeMM/M8M (8:8; 88eM) eeee eeeee eee eeeeeee. Mee eeeee eee eeeeee ee ee eee eeee ee 88°M, eee eee eeeeeee eee eeeeeee ee eeee eeeee eee eeeeeeee eee eeeeeeee ee eeeeeeeeee ee MM (88e). Mee eeeeeee eee eeeeee eeee eee. Me8MM8 (88eM), eee eeeeeeeee eeeeeee eee eeeeeeeee eeee MeMMe (8 × 88eM), eee eee eeeeeeee eeee eeeee (MeMM8). Mee eeeeeeee eeee eeeeeeee ee eeeee eeeeeeeeeeeeee.