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Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ

4a(2H)-Naphthalenol,octahydro-4,8a-dimethyl-, (4S,4aS,8aR)-

Cas:19700-21-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

4a(2H)-Naphthalenol,octahydro-4,8a-dimethyl-, (4S,4aS,8aR)-

Cas:19700-21-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

4a(2H)-Naphthalenol,octahydro-4,8a-dimethyl-, (4S,4aS,8aR)-

Cas:19700-21-1

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

GEOSMIN

Cas:19700-21-1

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

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

GEOSMIN

Cas:19700-21-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages? High purity, all above 98.5%, no impurities after dissolution? We will test each batch to ensure quality? OEM and private brand services designed for free? Various cap colors available? We can also provide MT1 peptide powder2.

GEOSMIN

Cas:19700-21-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Antimex Chemical Limied

factory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents

4a(2H)-Naphthalenol,octahydro-4,8a-dimethyl-, (4S,4aS,8aR)-

Cas:19700-21-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemlyte Solutions

factory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents

4a(2H)-Naphthalenol,octahydro-4,8a-dimethyl-, (4S,4aS,8aR)-

Cas:19700-21-1

Min.Order:0

Negotiable

Type:Other

inquiry

Dalton Chemical Laboratories, Inc.

more information,please contact us

GEOSMIN

Cas:19700-21-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry
View More

Synthetic route

Methanesulfonic acid (1aR,2S,4aS,8S,8aS)-4a,8-dimethyl-octahydro-1-oxa-cyclopropa[d]naphthalen-2-yl ester

Methanesulfonic acid (1aR,2S,4aS,8S,8aS)-4a,8-dimethyl-octahydro-1-oxa-cyclopropa[d]naphthalen-2-yl ester

(-)-geosmin
19700-21-1

(-)-geosmin

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran for 3h; Heating;90%
(+)-(4S,4aS,5R,8aS)-trans-4,8a-dimethyl-4a,5-epoxydecalin
169869-40-3

(+)-(4S,4aS,5R,8aS)-trans-4,8a-dimethyl-4a,5-epoxydecalin

(-)-geosmin
19700-21-1

(-)-geosmin

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 60℃; for 1h;64%
C14H24OS2
60563-48-6

C14H24OS2

(-)-geosmin
19700-21-1

(-)-geosmin

Conditions
ConditionsYield
With nickel In ethanol
/PBBEC010-1980/

/PBBEC010-1980/

(-)-geosmin
19700-21-1

(-)-geosmin

Conditions
ConditionsYield
Multistep reaction;
farnesyl pyrophosphate
372-97-4, 13058-04-3, 25744-33-6, 27248-37-9, 27248-38-0, 40716-68-5

farnesyl pyrophosphate

A

(1S,4aS)-1,4a-Dimethyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalene

(1S,4aS)-1,4a-Dimethyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalene

B

(-)-geosmin
19700-21-1

(-)-geosmin

C

germacrene D
23986-74-5

germacrene D

D

(–)-(4S,7R)-germacra-(1(10)E,5E)-dien-11-ol

(–)-(4S,7R)-germacra-(1(10)E,5E)-dien-11-ol

Conditions
ConditionsYield
With Streptomyces coelicolor germacradienol synthase; Tris-Cl; magnesium chloride In water at 30℃; for 4h; Enzymatic reaction;
...Expand
2,6-dimethylcyclohexanone
2816-57-1

2,6-dimethylcyclohexanone

(-)-geosmin
19700-21-1

(-)-geosmin

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 33 percent / H2SO4 / toluene
2: 83 percent / KOH / methanol / 1.5 h / Heating
3: 81 percent / LiAlH4 / diethyl ether / 3 h
4: 89 percent / pyridine / 24 h
5: Li, EtNH2 / 2 h / -5 °C
6: 73 percent / m-CPBA / CH2Cl2 / 2 h / 0 °C
7: 64 percent / LiAlH4 / tetrahydrofuran / 1 h / 60 °C
View Scheme
(+)-4,8a-dimethyl-1,2,3,4,6,7,8,8a-octalin
125515-66-4

(+)-4,8a-dimethyl-1,2,3,4,6,7,8,8a-octalin

(-)-geosmin
19700-21-1

(-)-geosmin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 73 percent / m-CPBA / CH2Cl2 / 2 h / 0 °C
2: 64 percent / LiAlH4 / tetrahydrofuran / 1 h / 60 °C
View Scheme
(4aα,8β)-4a,8-Dimethyl-4,4a,5,6,7,8-hexahydro-2(3H)-naphthalinon
17990-00-0

(4aα,8β)-4a,8-Dimethyl-4,4a,5,6,7,8-hexahydro-2(3H)-naphthalinon

(-)-geosmin
19700-21-1

(-)-geosmin

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 81 percent / LiAlH4 / diethyl ether / 3 h
2: 89 percent / pyridine / 24 h
3: Li, EtNH2 / 2 h / -5 °C
4: 73 percent / m-CPBA / CH2Cl2 / 2 h / 0 °C
5: 64 percent / LiAlH4 / tetrahydrofuran / 1 h / 60 °C
View Scheme
6-hydroxy-4,8a-dimethyl-1,2,3,4,6,7,8,8a-octalin
52252-49-0, 97345-21-6, 97345-22-7

6-hydroxy-4,8a-dimethyl-1,2,3,4,6,7,8,8a-octalin

(-)-geosmin
19700-21-1

(-)-geosmin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 89 percent / pyridine / 24 h
2: Li, EtNH2 / 2 h / -5 °C
3: 73 percent / m-CPBA / CH2Cl2 / 2 h / 0 °C
4: 64 percent / LiAlH4 / tetrahydrofuran / 1 h / 60 °C
View Scheme
(E)-2,6-dimethyl-2-(3'-oxobutyl)cyclohexanone

(E)-2,6-dimethyl-2-(3'-oxobutyl)cyclohexanone

(-)-geosmin
19700-21-1

(-)-geosmin

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 83 percent / KOH / methanol / 1.5 h / Heating
2: 81 percent / LiAlH4 / diethyl ether / 3 h
3: 89 percent / pyridine / 24 h
4: Li, EtNH2 / 2 h / -5 °C
5: 73 percent / m-CPBA / CH2Cl2 / 2 h / 0 °C
6: 64 percent / LiAlH4 / tetrahydrofuran / 1 h / 60 °C
View Scheme
6-acetoxy-4,8a-dimethyl-1,2,3,4,6,7,8,8a-octalin

6-acetoxy-4,8a-dimethyl-1,2,3,4,6,7,8,8a-octalin

(-)-geosmin
19700-21-1

(-)-geosmin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: Li, EtNH2 / 2 h / -5 °C
2: 73 percent / m-CPBA / CH2Cl2 / 2 h / 0 °C
3: 64 percent / LiAlH4 / tetrahydrofuran / 1 h / 60 °C
View Scheme
(2E,6E,10E)-3,7,11-trimethyl[12,12,12-2H3]dodeca-2,6,10-trienyl diphosphate
125951-22-6

(2E,6E,10E)-3,7,11-trimethyl[12,12,12-2H3]dodeca-2,6,10-trienyl diphosphate

A

octalin
1004771-33-8

octalin

B

[12,12,12-2H3]-germacrene D
1005386-38-8

[12,12,12-2H3]-germacrene D

C

[12,12,12-2H3]-germacradienol
1005386-37-7

[12,12,12-2H3]-germacradienol

D

(-)-geosmin
19700-21-1

(-)-geosmin

Conditions
ConditionsYield
With tris hydrochloride; magnesium chloride In water; glycerol at 30℃; for 6.25h; pH=8.2; Further byproducts. Title compound not separated from byproducts.;
...Expand
(-)-geosmin
19700-21-1

(-)-geosmin

A

3,5,5-Trimethylcyclohex-2-en-1-one
78-59-1

3,5,5-Trimethylcyclohex-2-en-1-one

B

4a-methyl-4,4a,5,6,7,8-hexahydro-3H-naphthalen-2-one
826-56-2

4a-methyl-4,4a,5,6,7,8-hexahydro-3H-naphthalen-2-one

C

2-ethylhexenal
645-62-5

2-ethylhexenal

D

Octanoic acid
124-07-2

Octanoic acid

E

2-ethylcyclohexanone
4423-94-3

2-ethylcyclohexanone

F

Menthane
99-82-1, 1678-82-6, 6069-98-3, 129939-70-4, 129939-71-5

Menthane

G

7a-methyl-1,4,5,6,7,7a-hexahydro-2H-inden-2-one
16508-51-3

7a-methyl-1,4,5,6,7,7a-hexahydro-2H-inden-2-one

H

methyl 1-methylcyclohexyl ketone
2890-62-2

methyl 1-methylcyclohexyl ketone

I

3-(2,6,6-trimethylcyclohex-2-enyl)propenal
29460-68-2

3-(2,6,6-trimethylcyclohex-2-enyl)propenal

J

2,4-dimethylcyclopentane-1,3-dione
34598-80-6

2,4-dimethylcyclopentane-1,3-dione

K

dihydrocarveol
619-01-2

dihydrocarveol

L

8,8a-dimethyl-decahydronaphthalen-1-ol

8,8a-dimethyl-decahydronaphthalen-1-ol

M

1-(2-methoxycyclohexyl)propan-2-one
95047-97-5

1-(2-methoxycyclohexyl)propan-2-one

N

2,4,5,6-tetramethylhepta-1,3,6-triene

2,4,5,6-tetramethylhepta-1,3,6-triene

O

1,8a-dimethyl-decahydronaphthalen-2-ol

1,8a-dimethyl-decahydronaphthalen-2-ol

P

(1,2-dimethylcyclopentyl)methanol

(1,2-dimethylcyclopentyl)methanol

Q

3-Acetyl-5,5-dimethylcyclohexanone

3-Acetyl-5,5-dimethylcyclohexanone

R

octahydro-8a-hydroxy-4a-methyl-2(1H)-naphthalenone
40573-27-1

octahydro-8a-hydroxy-4a-methyl-2(1H)-naphthalenone

Conditions
ConditionsYield
With oxygen; titanium(IV) oxide In water at 20℃; for 0.5h; Kinetics; UV-irradiation;
...Expand
(-)-geosmin
19700-21-1

(-)-geosmin

A

4a-methyl-4,4a,5,6,7,8-hexahydro-3H-naphthalen-2-one
826-56-2

4a-methyl-4,4a,5,6,7,8-hexahydro-3H-naphthalen-2-one

B

2-ethylhexenal
645-62-5

2-ethylhexenal

C

2-ethylcyclohexanone
4423-94-3

2-ethylcyclohexanone

D

Menthane
99-82-1, 1678-82-6, 6069-98-3, 129939-70-4, 129939-71-5

Menthane

E

2,2-dimethyl-cyclohexanone
1193-47-1

2,2-dimethyl-cyclohexanone

F

2,2,6-trimethylcyclohexan-1-one
2408-37-9

2,2,6-trimethylcyclohexan-1-one

G

methyl 1-methylcyclohexyl ketone
2890-62-2

methyl 1-methylcyclohexyl ketone

H

3-(2,6,6-trimethylcyclohex-2-enyl)propenal
29460-68-2

3-(2,6,6-trimethylcyclohex-2-enyl)propenal

I

dihydrocarveol
619-01-2

dihydrocarveol

J

8,8a-dimethyl-decahydronaphthalen-1-ol

8,8a-dimethyl-decahydronaphthalen-1-ol

K

1-(2-methoxycyclohexyl)propan-2-one
95047-97-5

1-(2-methoxycyclohexyl)propan-2-one

L

2,4,5,6-tetramethylhepta-1,3,6-triene

2,4,5,6-tetramethylhepta-1,3,6-triene

M

1,8a-dimethyl-decahydronaphthalen-2-ol

1,8a-dimethyl-decahydronaphthalen-2-ol

N

cyclohexanone
108-94-1

cyclohexanone

O

(1,2-dimethylcyclopentyl)methanol

(1,2-dimethylcyclopentyl)methanol

P

octahydro-8a-hydroxy-4a-methyl-2(1H)-naphthalenone
40573-27-1

octahydro-8a-hydroxy-4a-methyl-2(1H)-naphthalenone

Q

3,5-dimethyl-3-cyclohexenylcarboxaldehyde

3,5-dimethyl-3-cyclohexenylcarboxaldehyde

Conditions
ConditionsYield
With silicadodecatungstate; oxygen In water at 20℃; for 2h; Kinetics; UV-irradiation;
...Expand

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