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Please login to access the full content or check if you have access via Variation 2: Zinc(II) Chloride as Condensing Agent

DOI: 10.1055/sos-SD-014-00294

Williams, A. C.; Camp, N.Science of Synthesis, (200314376.

Examples are the zinc(II) chloride reaction of a phenol with an 3-oxoalkanoate to give the 2H-1-benzopyran-2-one 83 and reaction of 1,2,3,4-tetrahydroquinolin-7-ol with ethyl 4,4,4-trifluoro-3-oxobutanoate to give the 6,7,8,9-tetrahydro-2H-pyrano[3,2-g]quinolin-2-ones 84 (Scheme 26).

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