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Min.Order:1 Kilogram
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Min.Order:1 Gram
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inquiryL-KAWAIN Application:L-KAWAIN
dimethyl sulfate
ethyl (E,R)-5-hydroxy-3-oxo-7-phenylhept-6-enoate
Kavain
Conditions | Yield |
---|---|
Stage #1: ethyl (E,R)-5-hydroxy-3-oxo-7-phenylhept-6-enoate With potassium carbonate In methanol at 20℃; for 2h; Stage #2: dimethyl sulfate In acetone at 20℃; | 87% |
Stage #1: ethyl (E,R)-5-hydroxy-3-oxo-7-phenylhept-6-enoate With potassium carbonate In methanol for 2h; Stage #2: dimethyl sulfate In acetone for 12h; | 75% |
(E)-(R)-5-Hydroxy-3-oxo-7-phenyl-hept-6-enoic acid methyl ester
dimethyl sulfate
Kavain
Conditions | Yield |
---|---|
Stage #1: (E)-(R)-5-Hydroxy-3-oxo-7-phenyl-hept-6-enoic acid methyl ester With potassium carbonate In methanol at 20℃; for 5h; Stage #2: dimethyl sulfate In acetone at 20℃; for 12h; | 81% |
Conditions | Yield |
---|---|
With trifuran-2-yl-phosphane; tris(dibenzylideneacetone)dipalladium (0) In tetrahydrofuran at 50℃; Stille coupling; | 75% |
Conditions | Yield |
---|---|
In acetone at 20℃; for 10h; | |
In acetone at 20℃; for 15h; |
5-(tert-butyl-dimethyl-silanyloxy)-3-oxo-7-phenyl-hept-6-enoic acid ethyl ester
Kavain
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 85 percent / TBAF / tetrahydrofuran / 2 h 2.1: K2CO3 / methanol / 2 h 2.2: 75 percent / acetone / 12 h View Scheme |
(E)-(R)-5-Hydroxy-3-oxo-7-phenyl-hept-6-enoic acid methyl ester
Kavain
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium carbonate / methanol / 0.17 h / microwave irradiation 2: acetone / 15 h / 20 °C View Scheme |
(E)-(R)-3-Oxo-7-phenyl-5-trimethylsilanyloxy-hept-6-enoic acid methyl ester
Kavain
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: TFA / -78 °C 2: potassium carbonate / methanol / 0.17 h / microwave irradiation 3: acetone / 15 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
In benzene |
benzyl phenyl sulfoxide
Kavain
Conditions | Yield |
---|---|
Multistep reaction.; | 100 mg |
Conditions | Yield |
---|---|
With titanium(IV) isopropylate; (R)-1,1'-Bi-2-naphthol; 4-picolylchloride hydrochloride In toluene at 28℃; for 85h; Diels-Alder reaction; optical yield given as %ee; enantioselective reaction; |
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