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Qingdao Beluga Import and Export Co., LTD

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)- CAS:14917-83-0 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermedia

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)- CAS:14917-83-0

Cas:14917-83-0

Min.Order:1 Gram

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Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)-

Cas:14917-83-0

Min.Order:1 Kilogram

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Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)-

Cas:14917-83-0

Min.Order:0

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)-

Cas:14917-83-0

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Hangzhou J&H Chemical Co., Ltd.

J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)-

Cas:14917-83-0

Min.Order:0

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Xi`an Eastling Biotech Co., Ltd.

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)-

Cas:14917-83-0

Min.Order:0

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Henan Tianfu Chemical Co., Ltd.

1.Our services：A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)-

Cas:14917-83-0

Min.Order:0

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Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)-

Cas:14917-83-0

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Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)-

Cas:14917-83-0

Min.Order:0

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Shanghai Terui OP New Material Technology Co., Ltd.

The factory supplies Application:manufacturing supplies

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde,7,7-dimethyl-,(1R,6S)-

Cas:14917-83-0

Min.Order:0

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Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

14917-83-0

Cas:14917-83-0

Min.Order:0

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ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)-

Cas:14917-83-0

Min.Order:0

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HuBei Ipure Biotech CO.,ltd

HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)-.

Cas:14917-83-0

Min.Order:1 Gram

FOB Price: $1.0 / 2.0

Type:Trading Company

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Nanjing Raymon Biotech Co., Ltd.

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)-Appearance:Off white to slight yellow solid Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermedi

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)-

Cas:14917-83-0

Min.Order:0

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Type:Trading Company

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Hebei Ruishun Trade Co.,Ltd

Supply top quality products with a reasonable price Application:api

14917-83-0

Cas:14917-83-0

Min.Order:0

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Type:Trading Company

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Celanese Mexicana, S.A. de C.V

Bicyclo[4.1.0]hept-2-ene-3-carboxaldehyde, 7,7-dimethyl-, (1R,6S)-

Cas:14917-83-0

Min.Order:0

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Synthetic route

(4S)-4-(1-chloro-1-methylethyl)-1-cyclohexenecarboxaldehyde
78012-40-5

(4S)-4-(1-chloro-1-methylethyl)-1-cyclohexenecarboxaldehyde

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran at 0℃;94%
With potassium tert-butylate In tetrahydrofuran at 0℃; Yield given;
(S)-(-)-perillaldehyde
18031-40-8

(S)-(-)-perillaldehyde

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

Conditions
ConditionsYield
Stage #1: (S)-(-)-perillaldehyde With hydrogen bromide; acetic acid at 0 - 25℃; for 2.5h;
Stage #2: With tert-Amyl alcohol; potassium tert-butylate at 0 - 25℃; for 3h;		45%
(i) HBr, AcOH, (ii) KOtBu, t-amyl alcohol; Multistep reaction;
With potassium tert-butylate; hydrogen bromide; acetic acid Multistep reaction;
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

(S)-1-phenyl-ethylamine
2627-86-3

(S)-1-phenyl-ethylamine

(S)-N-(((1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-en-3-yl)methyl)-1-phenylethanamine

(S)-N-(((1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-en-3-yl)methyl)-1-phenylethanamine

Conditions
ConditionsYield
Stage #1: (1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde; (S)-1-phenyl-ethylamine In ethanol for 2h; Reflux;
Stage #2: With sodium tetrahydroborate In ethanol for 2h; Reflux;		75%
methylthiol
74-93-1

methylthiol

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

(1R,6S)-7,7-dimethyl-3-(bis(methylthio)methyl)bicyclo<4.1.0>hept-2-ene
115047-49-9

(1R,6S)-7,7-dimethyl-3-(bis(methylthio)methyl)bicyclo<4.1.0>hept-2-ene

Conditions
ConditionsYield
With titanium tetrachloride at -78℃; for 0.166667h;70%
1.3-propanedithiol
109-80-8

1.3-propanedithiol

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

(1R,6S)-7,7-dimethyl-3-(1,3-dithia-2-cyclohexyl)bicyclo<4.1.0>hept-2-ene
78012-41-6

(1R,6S)-7,7-dimethyl-3-(1,3-dithia-2-cyclohexyl)bicyclo<4.1.0>hept-2-ene

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In dichloromethane68%
With boron trifluoride diethyl etherate In dichloromethane at 0℃; for 2.5h;46%
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

(R)-1-phenyl-ethyl-amine
3886-69-9

(R)-1-phenyl-ethyl-amine

(R)-N-(((1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-en-3-yl)methyl)-1-phenylethanamine

(R)-N-(((1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-en-3-yl)methyl)-1-phenylethanamine

Conditions
ConditionsYield
Stage #1: (1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde; (R)-1-phenyl-ethyl-amine In ethanol for 2h; Reflux;
Stage #2: With sodium tetrahydroborate In ethanol for 2h; Reflux;		66%
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

benzylamine
100-46-9

benzylamine

N-benzyl-1-((1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-en-3-yl)methanamine

N-benzyl-1-((1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-en-3-yl)methanamine

Conditions
ConditionsYield
Stage #1: (1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde; benzylamine In ethanol at 20℃; for 2h;
Stage #2: With sodium tetrahydroborate In ethanol at 20℃; for 2h;		62%
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxylic acid

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxylic acid

Conditions
ConditionsYield
With sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene; tert-butyl alcohol In water Solvent; Reagent/catalyst;60%
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

2-(triphenylphosphoranylidene)succinic acid 1-ethyl ester
65434-72-2

2-(triphenylphosphoranylidene)succinic acid 1-ethyl ester

2-[1-((1R,6S)-7,7-Dimethyl-bicyclo[4.1.0]hept-2-en-3-yl)-meth-(E)-ylidene]-succinic acid 1-ethyl ester

2-[1-((1R,6S)-7,7-Dimethyl-bicyclo[4.1.0]hept-2-en-3-yl)-meth-(E)-ylidene]-succinic acid 1-ethyl ester

Conditions
ConditionsYield
In benzene at 50℃; for 48h;47%
trimethylsilyl cyanide
7677-24-9

trimethylsilyl cyanide

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

(1R,6S)-7,7-dimethyl-3-(cyanotrimethylsiloxymethyl)-bicyclo<4.1.0>hept-2-ene

(1R,6S)-7,7-dimethyl-3-(cyanotrimethylsiloxymethyl)-bicyclo<4.1.0>hept-2-ene

Conditions
ConditionsYield
With potassium cyanide; 18-crown-6 ether at 0℃; for 0.25h;
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

[4-Isopropylidene-cyclohex-2-en-(E)-ylidene]-acetonitrile

[4-Isopropylidene-cyclohex-2-en-(E)-ylidene]-acetonitrile

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: KCN, 18-crown-6 / 0.25 h / 0 °C
2: aq. HCl / 5 h / Ambient temperature
3: 45 percent / methanesulfonyl chloride, triethylamine / tetrahydrofuran / -78 °C
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

2-<(1R,4S)-1-acetyl-1-hydroxy-4-methyl-2-cyclopenten-2-yl>-2-<(1R,6S)-7,7-dimethylbicyclo<4.1.0>hept-2-en-3-yl>-1,3-dithiacyclohexane
115047-43-3

2-<(1R,4S)-1-acetyl-1-hydroxy-4-methyl-2-cyclopenten-2-yl>-2-<(1R,6S)-7,7-dimethylbicyclo<4.1.0>hept-2-en-3-yl>-1,3-dithiacyclohexane

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 46 percent / boron trifluoride etherate / CH2Cl2 / 2.5 h / 0 °C
3: 92 percent / dimethyl sulfoxide, trifluoroacetic anhydride / CH2Cl2 / 0.5 h / -78 °C
4: 11.1 g / sodium hydroxide / CH2Cl2 / 2 h / Ambient temperature
5: tetrahydrofuran / 0.5 h / -60 - 0 °C
6: aq. HCl
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

(1R,4S)-2-[2-((1R,6S)-7,7-Dimethyl-bicyclo[4.1.0]hept-2-en-3-yl)-[1,3]dithian-2-yl]-1-(1-ethoxy-vinyl)-4-methyl-cyclopent-2-enol
115047-44-4

(1R,4S)-2-[2-((1R,6S)-7,7-Dimethyl-bicyclo[4.1.0]hept-2-en-3-yl)-[1,3]dithian-2-yl]-1-(1-ethoxy-vinyl)-4-methyl-cyclopent-2-enol

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 46 percent / boron trifluoride etherate / CH2Cl2 / 2.5 h / 0 °C
3: 92 percent / dimethyl sulfoxide, trifluoroacetic anhydride / CH2Cl2 / 0.5 h / -78 °C
4: 11.1 g / sodium hydroxide / CH2Cl2 / 2 h / Ambient temperature
5: tetrahydrofuran / 0.5 h / -60 - 0 °C
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

(5S,7R,10R,11S,13S)-2-(methylthio)-5,12,12-trimethyl-8-oxo-7-((tert-butyldimethylsilyl)oxy)tetracyclo-<8.5.03,7.011,13>pentadeca-1,3-diene
115047-40-0

(5S,7R,10R,11S,13S)-2-(methylthio)-5,12,12-trimethyl-8-oxo-7-((tert-butyldimethylsilyl)oxy)tetracyclo-<8.5.03,7.011,13>pentadeca-1,3-diene

Conditions
ConditionsYield
Multi-step reaction with 9 steps
1: 70 percent / TiCl4 / 0.17 h / -78 °C
3: tetra-n-butylammonium fluoride / tetrahydrofuran / 48 h / Ambient temperature
4: DMSO, trifluoroacetic anhydride / CH2Cl2 / 4 h / -78 °C
5: DBU / diethyl ether / 3 h / 0 °C
6: 1.) CeCl3, t-BuLi / 1.) THF, -78 deg C, 5 min
7: 100 percent / KH, 18-crown-6 / tetrahydrofuran / 0.17 h
8: Et3N / CH2Cl2 / 0 °C
9: dimethyl(methylthio)sulfonium tetrafluoroborate / CH2Cl2 / -78 °C
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

2-<(1R,4S)-1-acetyl-4-methyl-1-(trimethylsiloxy)-2-cyclopenten-2-yl>-2-<(1R,6S)-7,7-dimethylbicyclo<4.1.0>-hept-2-en-3-yl>-1,3-dithiacyclohexane
115047-45-5

2-<(1R,4S)-1-acetyl-4-methyl-1-(trimethylsiloxy)-2-cyclopenten-2-yl>-2-<(1R,6S)-7,7-dimethylbicyclo<4.1.0>-hept-2-en-3-yl>-1,3-dithiacyclohexane

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 46 percent / boron trifluoride etherate / CH2Cl2 / 2.5 h / 0 °C
3: 92 percent / dimethyl sulfoxide, trifluoroacetic anhydride / CH2Cl2 / 0.5 h / -78 °C
4: 11.1 g / sodium hydroxide / CH2Cl2 / 2 h / Ambient temperature
5: tetrahydrofuran / 0.5 h / -60 - 0 °C
6: aq. HCl
7: 1.) potassium diisopropylamide / 1.) THF, -78 deg C, 5 min , 2.) 0 deg C, 1 h
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

1-{(1R,4S)-1-(tert-Butyl-dimethyl-silanyloxy)-2-[((1R,6S)-7,7-dimethyl-bicyclo[4.1.0]hept-2-en-3-yl)-bis-methylsulfanyl-methyl]-4-methyl-cyclopent-2-enyl}-ethanone
115047-38-6

1-{(1R,4S)-1-(tert-Butyl-dimethyl-silanyloxy)-2-[((1R,6S)-7,7-dimethyl-bicyclo[4.1.0]hept-2-en-3-yl)-bis-methylsulfanyl-methyl]-4-methyl-cyclopent-2-enyl}-ethanone

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 70 percent / TiCl4 / 0.17 h / -78 °C
3: tetra-n-butylammonium fluoride / tetrahydrofuran / 48 h / Ambient temperature
4: DMSO, trifluoroacetic anhydride / CH2Cl2 / 4 h / -78 °C
5: DBU / diethyl ether / 3 h / 0 °C
6: 1.) CeCl3, t-BuLi / 1.) THF, -78 deg C, 5 min
7: 100 percent / KH, 18-crown-6 / tetrahydrofuran / 0.17 h
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

(5S,7R,10R,11S,13S)-2-(1,5,6-trithia-1-heptyl)-5,12,12-trimethyl-8-oxo-7-(trimethylsiloxy)tetracyclo<8.5.0.03,7.011,13>pentadeca-1,3-diene
115047-36-4

(5S,7R,10R,11S,13S)-2-(1,5,6-trithia-1-heptyl)-5,12,12-trimethyl-8-oxo-7-(trimethylsiloxy)tetracyclo<8.5.0.03,7.011,13>pentadeca-1,3-diene

Conditions
ConditionsYield
Multi-step reaction with 8 steps
1: 46 percent / boron trifluoride etherate / CH2Cl2 / 2.5 h / 0 °C
3: 92 percent / dimethyl sulfoxide, trifluoroacetic anhydride / CH2Cl2 / 0.5 h / -78 °C
4: 11.1 g / sodium hydroxide / CH2Cl2 / 2 h / Ambient temperature
5: tetrahydrofuran / 0.5 h / -60 - 0 °C
6: aq. HCl
7: 1.) potassium tert-butoxide, LDA / 1.) THF, 0 deg C, 15 min, 2.) from -78 deg C to 0 deg C, 1 h
8: 1 percent / CH2Cl2 / 1.5 h / -78 °C
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

<(1'S,2'R,3'S,4'S)-1'-hydroxy-3'-(phenylsulfonyl)-4'-methylcyclopent-2'-yl><(1"R,6"S)-7",7"-dimethylbicyclo<4.1.0>hept-2"-en-3"-yl>bis(methylthio)methane
115047-54-6

<(1'S,2'R,3'S,4'S)-1'-hydroxy-3'-(phenylsulfonyl)-4'-methylcyclopent-2'-yl><(1"R,6"S)-7",7"-dimethylbicyclo<4.1.0>hept-2"-en-3"-yl>bis(methylthio)methane

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 70 percent / TiCl4 / 0.17 h / -78 °C
3: tetra-n-butylammonium fluoride / tetrahydrofuran / 48 h / Ambient temperature
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

(2R,3S,4S)-3-Benzenesulfonyl-2-[((1R,6S)-7,7-dimethyl-bicyclo[4.1.0]hept-2-en-3-yl)-bis-methylsulfanyl-methyl]-4-methyl-cyclopentanone
115047-57-9

(2R,3S,4S)-3-Benzenesulfonyl-2-[((1R,6S)-7,7-dimethyl-bicyclo[4.1.0]hept-2-en-3-yl)-bis-methylsulfanyl-methyl]-4-methyl-cyclopentanone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 70 percent / TiCl4 / 0.17 h / -78 °C
3: tetra-n-butylammonium fluoride / tetrahydrofuran / 48 h / Ambient temperature
4: DMSO, trifluoroacetic anhydride / CH2Cl2 / 4 h / -78 °C
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

2-<(1R,4S)-1-acetyl-4-methyl-1-(tertbutyldimethylsiloxy)-2-cyclopenten-2-yl>-2-<(1R,6S)-7,7-dimethylbicyclo<4.1.0>hept-2-en-3-yl>-1,3-dithiacyclohexane
115047-46-6

2-<(1R,4S)-1-acetyl-4-methyl-1-(tertbutyldimethylsiloxy)-2-cyclopenten-2-yl>-2-<(1R,6S)-7,7-dimethylbicyclo<4.1.0>hept-2-en-3-yl>-1,3-dithiacyclohexane

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 46 percent / boron trifluoride etherate / CH2Cl2 / 2.5 h / 0 °C
3: 92 percent / dimethyl sulfoxide, trifluoroacetic anhydride / CH2Cl2 / 0.5 h / -78 °C
4: 11.1 g / sodium hydroxide / CH2Cl2 / 2 h / Ambient temperature
5: tetrahydrofuran / 0.5 h / -60 - 0 °C
6: aq. HCl
7: 39 percent / pyridine / CH2Cl2 / 12 h / Ambient temperature
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

2-<(1R,4S)-4-methyl-1-(trimethylsiloxy)-1-(1-(trimetylsiloxy)vinyl)-2-cyclopenten-2-yl>-2-<(1R,6S)-7,7-dimethylbicyclo<4.1.0>hept-2-yl>-1,3-dithiacyclohexane
115047-35-3

2-<(1R,4S)-4-methyl-1-(trimethylsiloxy)-1-(1-(trimetylsiloxy)vinyl)-2-cyclopenten-2-yl>-2-<(1R,6S)-7,7-dimethylbicyclo<4.1.0>hept-2-yl>-1,3-dithiacyclohexane

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 46 percent / boron trifluoride etherate / CH2Cl2 / 2.5 h / 0 °C
3: 92 percent / dimethyl sulfoxide, trifluoroacetic anhydride / CH2Cl2 / 0.5 h / -78 °C
4: 11.1 g / sodium hydroxide / CH2Cl2 / 2 h / Ambient temperature
5: tetrahydrofuran / 0.5 h / -60 - 0 °C
6: aq. HCl
7: 1.) potassium tert-butoxide, LDA / 1.) THF, 0 deg C, 15 min, 2.) from -78 deg C to 0 deg C, 1 h
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

(1R,6S)-3-{[(3S,5R)-5-(tert-Butyl-dimethyl-silanyloxy)-3-methyl-5-(1-trimethylsilanyloxy-vinyl)-cyclopent-1-enyl]-bis-methylsulfanyl-methyl}-7,7-dimethyl-bicyclo[4.1.0]hept-2-ene
115047-39-7

(1R,6S)-3-{[(3S,5R)-5-(tert-Butyl-dimethyl-silanyloxy)-3-methyl-5-(1-trimethylsilanyloxy-vinyl)-cyclopent-1-enyl]-bis-methylsulfanyl-methyl}-7,7-dimethyl-bicyclo[4.1.0]hept-2-ene

Conditions
ConditionsYield
Multi-step reaction with 8 steps
1: 70 percent / TiCl4 / 0.17 h / -78 °C
3: tetra-n-butylammonium fluoride / tetrahydrofuran / 48 h / Ambient temperature
4: DMSO, trifluoroacetic anhydride / CH2Cl2 / 4 h / -78 °C
5: DBU / diethyl ether / 3 h / 0 °C
6: 1.) CeCl3, t-BuLi / 1.) THF, -78 deg C, 5 min
7: 100 percent / KH, 18-crown-6 / tetrahydrofuran / 0.17 h
8: Et3N / CH2Cl2 / 0 °C
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

2-<(2R,3S,4S)-4-methyl-1-oxo-3-(phenylsulfonyl)-2-cyclopentyl>-2-<(1R,6S)-7,7-dimethylbicyclo<4.1.0>hept-2-en-3-yl>-1,3-dithiacyclohexane
115047-41-1

2-<(2R,3S,4S)-4-methyl-1-oxo-3-(phenylsulfonyl)-2-cyclopentyl>-2-<(1R,6S)-7,7-dimethylbicyclo<4.1.0>hept-2-en-3-yl>-1,3-dithiacyclohexane

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 46 percent / boron trifluoride etherate / CH2Cl2 / 2.5 h / 0 °C
3: 92 percent / dimethyl sulfoxide, trifluoroacetic anhydride / CH2Cl2 / 0.5 h / -78 °C
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

2-<(1'S,2'R,3'R,4'S')-1'-((tert-butyldimethylsilyl)oxy)-4'-methyl-3'-(phenylsulfonyl)cyclopent-2'-yl>-3-(bis(methylthio)methyl)-(1R,6S)-7,7-dimethylbicyclo<4.1.0>hept-3-ene
115047-50-2

2-<(1'S,2'R,3'R,4'S')-1'-((tert-butyldimethylsilyl)oxy)-4'-methyl-3'-(phenylsulfonyl)cyclopent-2'-yl>-3-(bis(methylthio)methyl)-(1R,6S)-7,7-dimethylbicyclo<4.1.0>hept-3-ene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 70 percent / TiCl4 / 0.17 h / -78 °C
2: 1.) lithium diisopropylamide (LDA), HMPA / 1.) THF, 30 min, 2.) 15 min
View Scheme
Multi-step reaction with 2 steps
1: 70 percent / TiCl4 / 0.17 h / -78 °C
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

{(1S,2R,3S,4S)-3-Benzenesulfonyl-2-[((1R,6S)-7,7-dimethyl-bicyclo[4.1.0]hept-2-en-3-yl)-bis-methylsulfanyl-methyl]-4-methyl-cyclopentyloxy}-tert-butyl-dimethyl-silane
115047-53-5

{(1S,2R,3S,4S)-3-Benzenesulfonyl-2-[((1R,6S)-7,7-dimethyl-bicyclo[4.1.0]hept-2-en-3-yl)-bis-methylsulfanyl-methyl]-4-methyl-cyclopentyloxy}-tert-butyl-dimethyl-silane

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 70 percent / TiCl4 / 0.17 h / -78 °C
View Scheme
(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde
14917-83-0

(1R,6S)-7,7-dimethylbicyclo[4.1.0]hept-2-ene-3-carboxaldehyde

2-<(4S)-4-methyl-1-oxo-2-cyclopenten-2-yl>-2-<(1R,6S)-7,7-dimethylbicyclo<4.1.0>hept-2-en-3-yl>-1,3-dithiacyclohexane
78012-44-9

2-<(4S)-4-methyl-1-oxo-2-cyclopenten-2-yl>-2-<(1R,6S)-7,7-dimethylbicyclo<4.1.0>hept-2-en-3-yl>-1,3-dithiacyclohexane

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 46 percent / boron trifluoride etherate / CH2Cl2 / 2.5 h / 0 °C
3: 92 percent / dimethyl sulfoxide, trifluoroacetic anhydride / CH2Cl2 / 0.5 h / -78 °C
4: 11.1 g / sodium hydroxide / CH2Cl2 / 2 h / Ambient temperature
View Scheme
Multi-step reaction with 3 steps
1: 68 percent / boron trifluoride etherate / CH2Cl2
2: 65 percent / methyllithium, n-butyllithium / tetrahydrofuran / -78 °C
3: 1.) Me2SO/TFAA, 2.) (C2H5)3N, 3.) NaOH
View Scheme
Multi-step reaction with 2 steps
1: 68 percent / boron trifluoride etherate / CH2Cl2
View Scheme

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