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ChemicalBook CAS DataBase List 4-(Benzyloxy)-2-fluorobenzaldehyde

4-(Benzyloxy)-2-fluorobenzaldehyde synthesis

3synthesis methods
-

Yield:504414-32-8 94.4%

Reaction Conditions:

with caesium carbonate in N,N-dimethyl-formamide at 20; for 72 h;

Steps:

2.1

Example 2: 10-acetyl-l l-(4-benzyloxy-2-fluorophenyl)-3,3-dimethyl-l,l-dioxo- 1,2,3,4,5,1 l-hexahvdro-lλ6-thia-5J0-diazadibenzorα,?cvcloheptene (13); Step 1; A mixture of 2-fluoro-4-hydroxybenzaldehyde (2.92 mmol), benzylbromide (534 μL, 4.38 mmol) and Cs2CO3 (1.14 g, 3.50 mmol) in dry DMF (N,N-dimethylformamide; 10 niL) was stirred at room temperature for 3 days. Then, the reaction mixture was diluted with water (200 mL). The resulting precipitate was filtered off, then dried under vacuum to give the desired product 4-benzyloxy-2-fluorobenzaldehyde (11) (94.4 %) as a white solid: m/z = 231 (M+H)+.

References:

WO2008/99020,2008,A1 Location in patent:Page/Page column 49-50