Answers are grounded in this paper and cite their sources.
Reaction of the anion of 3-cyano-4-methoxy-3H-isobenzofuran-1-one (4b) with levoglucosenone affords a chiral annelation products useful for the synthesis of naphtho[2.3-c]pyran-5,10-quinone antibiotics.
No takes yet. Share an insight, caveat, or question.
Freskos et al. (1985) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: