0 Hits

  • Previous / Next

You are using Science Of Synthesis as a Guest.
Please login to access the full content or check if you have access via Variation 6: Phosphoryl Chloride as Condensing Agent

DOI: 10.1055/sos-SD-014-00294

Williams, A. C.; Camp, N.Science of Synthesis, (200314379.

Examples of the use of phosphoryl chloride as a condensing agent in the reaction of phenols with 3-oxoalkanoates to give 2H-1-benzopyran-2-ones are given by the formation of 9395 (Scheme 30).[‌161‌,‌222‌‌225‌]

Meeeee 88 8M-8-Meeeeeeeee-8-eeee ee Meeeeeee Meeeeeeee Meeeeeeee ee Meeeeeeeee Meeeeeee[‌888‌,‌888‌‌888‌]

Meeeeeeeeeee Meeeeeeee

Meeee 8-(8-Meeeeee-8-eeeeee-8-eee-8-eeeeee-8M-8-eeeeeeeeee-8-ee)eeeeeeeeee [88, M8=(MM8)8Me; M8=Me; M8=(MM8)8MM8Me]; Meeeeee Meeeeeeee:[‌888‌]

M eeeeeee ee 8-eeeeeeeeeeeee-8,8-eeee (888e, 8.88eee), eeeeeee 8-eeeeeeeeeeeeeeeeeee (888e, 8.88eee), eee MMMe8 (888eM, 8.88eee) eee eeeeeee ee ee, eeeeeeeee eeee eeeeeeeeeee eeeeeeee, eeeee eee eeeeeee eeeeeeeeee, eee eeee eeeeeee ee eeeee eee e eeeee ee 88e. Mee eeeee eee eeeeeeeee ee MMMe8, eee eeee eeeeee eeee M8M (8×), eeeee (Me8MM8), eee eee eeeeeee eeeeeeeeee. Mee eeeeee eeeeeee eee eeeeeeeeeeeeee (eeeeeee) ee eeee eeeeeeeee eeeeeeee; eeeee: 888e (88%); ee 888888°M.