Science of Synthesis

Gerster, M.; Thomas, A. W., Science of Synthesis, (2007) 31, 653.

The regioselective [3+3] cyclization of 3-alkoxy-1-siloxybuta-1,3-dienes ‌54‌ with 3-siloxyalk-2-en-1-ones ‌55‌ provides acceptable yields of the polysubstituted 2-alkoxybenzoates ‌56‌ (‌Scheme 19‌).[‌29‌] The high regioselectivity is consistent with previous results.[‌30‌]

‌Meeeee 88‌ 8-Meeeeeeeeeeeeee ee Meeeeeeeeeeeee [8+8] Meeeeeeeeeee[‌88‌]

‌Meeeeeeeeee 88‌

Mee eeeeeeee ‌88‌ ee e-eeeeeeeee eeee ee eeeeeeeeeee eeeeee ee eee eeeeeeeeeeee ee eee eeeeee eeee eeeee ‌88‌ ee eee eeeeeeee ee eeeeeeee(MM) eeeeeeee (‌Meeeee 88‌).[‌88‌]

‌Meeeee 88‌ Meeeeeee(MM) Meeeeeee Meeeeeee Meeeeeeeeeee ee Meeee 8-Meeeeeeeee-8-eeeeee[‌88‌]

Mee eeeeeeee ee eeeeeeee (8M)-8-eeeeeeeeeee-8-eeeeeeeee (‌88‌) eeee e eeeee ee eeeeee eeeeeeeeee ee e eeeeee eeeeee eee eee eeeeeeeeeee ee eeeeeeeeeee eeee eeeeee eeeeee ‌88‌ eee eeeeeeeee e eeeeee eeeee ee eeeeeeeeeeee (‌Meeeee 88‌). Meee eeeeeeeee eee-eee eeeeeee ee eeeeeeee ee eeeeeee eee Meeeeee eeeeeeee eeee eeeeeeeeee Meeeeeeee eeeeeeeeeee.[‌88‌] Mee eeeeeee (‌88‌; M8 = MM8MMMM) ee eeee ee e eeeeeeeee ee eee eeeeeee eeeeeee eeeeeeee.

‌Meeeee 88‌ Meeeee Meeeeeeeeeeee eee e Meeeeee Meeeeeee–Meeeeeeee Meeeeeeeeee Meeeeeee[‌88‌]

‌Meeeeeeeeee 88‌

Meeeeeeeeeee Meeeeeeee

8-Meeeeeeeeeeeeee ‌88‌; Meeeeee Meeeeeeee:[‌88‌]

M 8 M eeee ee MeMe8 ee MM8Me8 (8 eM, 8.8 eeee) eee eeeee ee e eeee ee eeeee ‌88‌ (8.8 eeee) eee eeeee ‌88‌ (8.8 eeee) ee MM8Me8 (8 eM) ee −88°M. Mee eeee eee eeeeeee ee eeee ee eeeeeee eeeeeeeeeee eeeeee 88 e. MM8Me8 (88 eM) eee 88% ee MMe (88 eM) eeee eeeee, eee eee eeeeeee eee eeeeeee eeeeee eeee eeeeeeeee. Mee eeeeeee eeeee eee eeeeeeeee eeee MM8Me8 (8 × 88 eM). Mee eeeeeeee eeeeeee eeeeee eeee eeeeee eeee 8 M MeMM (8 ×), eeeee (Me8MM8), eee eeeeeeeeeeee eeeee eeeeeee eeeeeeee. Mee eeeeeee eee eeeeeeee ee eeeee eeeeeeeeeeeeee (eeeeee eee, MeMMe/eeeeeee 8:88) ee eeee eee eeeeeee.

References

Meeeeee Meeeeeeeeee

• 8.Meeeee-Meee, (8888) 8/8e8, 888.