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CAS No.: | 146436-22-8 |
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Name: | terpestacin |
Article Data: | 7 |
Molecular Structure: | |
Formula: | C25H38 O4 |
Molecular Weight: | 402.574 |
Synonyms: | 1(3aH)-Cyclopentacyclopentadecenone,4,7,8,9,12,13,16,16a-octahydro-2,7-dihydroxy-3-(2-hydroxy-1-methylethyl)-6,10,14,16a-tetramethyl-,[3aR-[3(S*),3aR*,5E,7S*,10E,14E,16aS*]]-; (-)-Terpestacin;(1S,11S,15R,23S)-Terpestacin; BU 4641V; Deacetylfusaproliferin; Siccanol;Terpestacin |
Density: | 1.064g/cm3 |
Boiling Point: | 580.5°Cat760mmHg |
Flash Point: | 318.9°C |
PSA: | 77.76000 |
LogP: | 5.18610 |
(5E,10E,14E)-(3aR,7S,16aS)-7-(tert-Butyl-dimethyl-silanyloxy)-2-hydroxy-3-((S)-2-hydroxy-1-methyl-ethyl)-6,10,14,16a-tetramethyl-4,7,8,9,12,13,16,16a-octahydro-3aH-cyclopentacyclopentadecen-1-one
(−)-terpestacin
Conditions | Yield |
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With hydrogenchloride In tetrahydrofuran | 94% |
C37H66O4Si2
(−)-terpestacin
Conditions | Yield |
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With hydrogen fluoride In tetrahydrofuran; water at 20℃; for 3h; | 90% |
7-hydroxy-3-(2-hydroxy-1-methyl-ethyl)-2-(4-methoxy-benzyloxy)-6,10,14,16a-tetramethyl-4,7,8,9,12,13,16,16a-octahydro-3aH-cyclopentacyclopentadecen-1-one
(−)-terpestacin
Conditions | Yield |
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With dimethylsulfide; magnesium bromide In dichloromethane at 20℃; for 0.666667h; | 74% |
With dimethylsulfide; magnesium bromide ethyl etherate In dichloromethane at -78 - 20℃; Inert atmosphere; | 74% |
(−)-terpestacin
Conditions | Yield |
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With sodium hydroxide In methanol; water at 50℃; for 1h; Hydrolysis; deprotection; | 70% |
(−)-terpestacin
Conditions | Yield |
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With potassium carbonate In methanol at 20℃; for 2h; | 2.5 mg |
8-benzenesulfonyl-2,6-dimethyl-octa-1,6-dien-3-ol
(−)-terpestacin
Conditions | Yield |
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Multi-step reaction with 13 steps 1: 85 percent / LiHMDS; HMPA / tetrahydrofuran / 0.08 h / -40 °C 2: 77 percent / NaBH4; DPPP / Pd(OAc)2 / dimethylsulfoxide 3: 44 percent / Grubbs second generation catalyst / benzene / 16 h / 20 °C 4: 93 percent / dimethyl sulfide; MgBr2*Et2O / CH2Cl2 / 0.67 h / 20 °C 5: (S,S)-N-[2-(2-PPh2-benzoylamino)cyclohexyl]-2-PPh2-benzamide / Pd2dba3*CHCl3 / CH2Cl2 / 20 °C 6: 1,2-dimethoxy-ethane / 1 h / 150 °C / microwave irradiation 7: Cs2CO3; Bu4NI / dimethylformamide / 2 h 8: 8.7 mg / pyridine / 3 h / 20 °C 9: 65 percent / AD-α-mix; CH3SO2NH2 / 2-methyl-propan-2-ol; H2O / 48 h / 4 °C 10: NaIO4 / tetrahydrofuran; H2O / 1 h / 20 °C 11: 6.5 mg / NaBH4 / CH2Cl2; methanol / 0.5 h / -78 °C 12: 89 percent / aq. LiOH / tetrahydrofuran; methanol / 2 h / 20 °C 13: 74 percent / dimethyl sulfide; MgBr2*Et2O / CH2Cl2 / 0.67 h / 20 °C View Scheme |
[3-(5-benzenesulfonyl-3-methyl-pent-3-enyl)-2-methyl-oxiranyl]-methanol
(−)-terpestacin
Conditions | Yield |
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Multi-step reaction with 14 steps 1.1: pyridine; iodine; PPh3 / acetonitrile; diethyl ether / 2 h / 0 °C 1.2: 74 percent / water / acetonitrile; diethyl ether / 8 h / 38 °C 2.1: 85 percent / LiHMDS; HMPA / tetrahydrofuran / 0.08 h / -40 °C 3.1: 77 percent / NaBH4; DPPP / Pd(OAc)2 / dimethylsulfoxide 4.1: 44 percent / Grubbs second generation catalyst / benzene / 16 h / 20 °C 5.1: 93 percent / dimethyl sulfide; MgBr2*Et2O / CH2Cl2 / 0.67 h / 20 °C 6.1: (S,S)-N-[2-(2-PPh2-benzoylamino)cyclohexyl]-2-PPh2-benzamide / Pd2dba3*CHCl3 / CH2Cl2 / 20 °C 7.1: 1,2-dimethoxy-ethane / 1 h / 150 °C / microwave irradiation 8.1: Cs2CO3; Bu4NI / dimethylformamide / 2 h 9.1: 8.7 mg / pyridine / 3 h / 20 °C 10.1: 65 percent / AD-α-mix; CH3SO2NH2 / 2-methyl-propan-2-ol; H2O / 48 h / 4 °C 11.1: NaIO4 / tetrahydrofuran; H2O / 1 h / 20 °C 12.1: 6.5 mg / NaBH4 / CH2Cl2; methanol / 0.5 h / -78 °C 13.1: 89 percent / aq. LiOH / tetrahydrofuran; methanol / 2 h / 20 °C 14.1: 74 percent / dimethyl sulfide; MgBr2*Et2O / CH2Cl2 / 0.67 h / 20 °C View Scheme |
5-methyl-5-(3-methyl-4-triisopropylsilanyloxy-but-2-enyl)-cyclopent-3-ene-1,2-dione
(−)-terpestacin
Conditions | Yield |
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Multi-step reaction with 17 steps 1: MgBr2*Et2O / CH2Cl2 / 1 h / 20 °C 2: 79 percent / Cs2CO3; Bu4NI / dimethylformamide / 2.5 h / 20 °C 3: 84 percent / TBAF*3H2O / tetrahydrofuran / 2 h / 0 °C 4: 88 percent / PPh3; CBr4 / acetonitrile / 20 °C 5: 85 percent / LiHMDS; HMPA / tetrahydrofuran / 0.08 h / -40 °C 6: 77 percent / NaBH4; DPPP / Pd(OAc)2 / dimethylsulfoxide 7: 44 percent / Grubbs second generation catalyst / benzene / 16 h / 20 °C 8: 93 percent / dimethyl sulfide; MgBr2*Et2O / CH2Cl2 / 0.67 h / 20 °C 9: (S,S)-N-[2-(2-PPh2-benzoylamino)cyclohexyl]-2-PPh2-benzamide / Pd2dba3*CHCl3 / CH2Cl2 / 20 °C 10: 1,2-dimethoxy-ethane / 1 h / 150 °C / microwave irradiation 11: Cs2CO3; Bu4NI / dimethylformamide / 2 h 12: 8.7 mg / pyridine / 3 h / 20 °C 13: 65 percent / AD-α-mix; CH3SO2NH2 / 2-methyl-propan-2-ol; H2O / 48 h / 4 °C 14: NaIO4 / tetrahydrofuran; H2O / 1 h / 20 °C 15: 6.5 mg / NaBH4 / CH2Cl2; methanol / 0.5 h / -78 °C 16: 89 percent / aq. LiOH / tetrahydrofuran; methanol / 2 h / 20 °C 17: 74 percent / dimethyl sulfide; MgBr2*Et2O / CH2Cl2 / 0.67 h / 20 °C View Scheme |
(−)-terpestacin
Conditions | Yield |
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Multi-step reaction with 18 steps 1.1: CHCl3 / 0.5 h / 100 - 120 °C / microwave irradiation 1.2: Cs2CO3 / Pd(OAc)2 / acetonitrile / 0.5 h / 20 °C 2.1: MgBr2*Et2O / CH2Cl2 / 1 h / 20 °C 3.1: 79 percent / Cs2CO3; Bu4NI / dimethylformamide / 2.5 h / 20 °C 4.1: 84 percent / TBAF*3H2O / tetrahydrofuran / 2 h / 0 °C 5.1: 88 percent / PPh3; CBr4 / acetonitrile / 20 °C 6.1: 85 percent / LiHMDS; HMPA / tetrahydrofuran / 0.08 h / -40 °C 7.1: 77 percent / NaBH4; DPPP / Pd(OAc)2 / dimethylsulfoxide 8.1: 44 percent / Grubbs second generation catalyst / benzene / 16 h / 20 °C 9.1: 93 percent / dimethyl sulfide; MgBr2*Et2O / CH2Cl2 / 0.67 h / 20 °C 10.1: (S,S)-N-[2-(2-PPh2-benzoylamino)cyclohexyl]-2-PPh2-benzamide / Pd2dba3*CHCl3 / CH2Cl2 / 20 °C 11.1: 1,2-dimethoxy-ethane / 1 h / 150 °C / microwave irradiation 12.1: Cs2CO3; Bu4NI / dimethylformamide / 2 h 13.1: 8.7 mg / pyridine / 3 h / 20 °C 14.1: 65 percent / AD-α-mix; CH3SO2NH2 / 2-methyl-propan-2-ol; H2O / 48 h / 4 °C 15.1: NaIO4 / tetrahydrofuran; H2O / 1 h / 20 °C 16.1: 6.5 mg / NaBH4 / CH2Cl2; methanol / 0.5 h / -78 °C 17.1: 89 percent / aq. LiOH / tetrahydrofuran; methanol / 2 h / 20 °C 18.1: 74 percent / dimethyl sulfide; MgBr2*Et2O / CH2Cl2 / 0.67 h / 20 °C View Scheme |
4-allyl-5-(4-hydroxy-3-methyl-but-2-enyl)-2-(4-methoxy-benzyloxy)-5-methyl-cyclopent-2-enone
(−)-terpestacin
Conditions | Yield |
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Multi-step reaction with 14 steps 1: 88 percent / PPh3; CBr4 / acetonitrile / 20 °C 2: 85 percent / LiHMDS; HMPA / tetrahydrofuran / 0.08 h / -40 °C 3: 77 percent / NaBH4; DPPP / Pd(OAc)2 / dimethylsulfoxide 4: 44 percent / Grubbs second generation catalyst / benzene / 16 h / 20 °C 5: 93 percent / dimethyl sulfide; MgBr2*Et2O / CH2Cl2 / 0.67 h / 20 °C 6: (S,S)-N-[2-(2-PPh2-benzoylamino)cyclohexyl]-2-PPh2-benzamide / Pd2dba3*CHCl3 / CH2Cl2 / 20 °C 7: 1,2-dimethoxy-ethane / 1 h / 150 °C / microwave irradiation 8: Cs2CO3; Bu4NI / dimethylformamide / 2 h 9: 8.7 mg / pyridine / 3 h / 20 °C 10: 65 percent / AD-α-mix; CH3SO2NH2 / 2-methyl-propan-2-ol; H2O / 48 h / 4 °C 11: NaIO4 / tetrahydrofuran; H2O / 1 h / 20 °C 12: 6.5 mg / NaBH4 / CH2Cl2; methanol / 0.5 h / -78 °C 13: 89 percent / aq. LiOH / tetrahydrofuran; methanol / 2 h / 20 °C 14: 74 percent / dimethyl sulfide; MgBr2*Et2O / CH2Cl2 / 0.67 h / 20 °C View Scheme |