6H-Dibenzo[b,d]pyran-6-one, 7-hydroxy-9-methoxy-2,3-bis(phenylmethoxy)- synthesis
- Product Name:6H-Dibenzo[b,d]pyran-6-one, 7-hydroxy-9-methoxy-2,3-bis(phenylmethoxy)-
- CAS Number:1196985-64-4
- Molecular formula:C28H22O6
- Molecular Weight:454.47
5447-02-9
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Yield:-
Steps:
Multi-step reaction with 4 steps
1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 24 h / 20 °C
2: sodium hydroxide / methanol; water / 0.08 h / 20 °C
3: N-Bromosuccinimide / tetrahydrofuran / 0.75 h / -78 °C / Inert atmosphere
4: dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; palladium diacetate; caesium carbonate / 1,4-dioxane; water / 2.5 h / 80 °C / Inert atmosphere
References:
Nemecek, Gregor;Cudaj, Judith;Podlech, Joachim [European Journal of Organic Chemistry,2012,# 20,p. 3863 - 3870]
27688-86-4
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100-44-7
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139-85-5
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