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87-44-5

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87-44-5 Usage

Description

BETA-CARYOPHYLLENE, also known as β-Caryophyllene, is a sesquiterpene compound found in various plants, including C. sativa, C. indica, and hemp. It possesses a cyclobutane ring, which is a rare feature in nature, and contributes to the spiciness of black pepper. BETA-CARYOPHYLLENE exhibits diverse biological activities, such as lipid metabolic, antioxidant, anti-neuroinflammatory, anti-proliferative, and antinociceptive properties. BETA-CARYOPHYLLENE acts as an agonist of the cannabinoid (CB) receptor CB2 and peroxisome proliferator-activated receptor α (PPARα), playing a significant role in various therapeutic applications.

Uses

Used in Anti-inflammatory Applications:
BETA-CARYOPHYLLENE is used as an anti-inflammatory agent for its selective binding to the cannabinoid receptor type-2 (CB2), exerting significant cannabimimetic anti-inflammatory effects in mice.
Used in Neuroprotection:
BETA-CARYOPHYLLENE is used as a neuroprotective agent for its ability to reduce the production of reactive oxygen species (ROS) in and protect against cytotoxicity of SH-SY5Y cells induced by 1-methyl-4-pheylpyridinium (MPP+). It also decreases the β-amyloid burden in the hippocampus and cerebral cortex, improving memory in an APP/PS1 transgenic mouse model of Alzheimer’s disease.
Used in Anxiety and Depression Treatment:
BETA-CARYOPHYLLENE is used as an anxiolytic-like and antidepressant-like agent, as evidenced by its ability to increase the number of entries into and the time spent in the open arms of the elevated plus maze and the time spent immobile in the forced swim test. These effects can be blocked by the CB2 receptor antagonist AM630, indicating the involvement of the CB2 receptor in its anxiolytic and antidepressant activities.
Used in Antioxidant Applications:
BETA-CARYOPHYLLENE is used as an antioxidant agent due to its ability to reduce oxidative stress and protect cells from damage caused by reactive oxygen species.
Used in Lipid Metabolism Regulation:
BETA-CARYOPHYLLENE is used as a regulator of lipid metabolism, as it exhibits agonistic activity on peroxisome proliferator-activated receptor α (PPARα), which plays a crucial role in lipid homeostasis and energy balance.
Used in Anti-proliferative Applications:
BETA-CARYOPHYLLENE is used as an anti-proliferative agent, potentially inhibiting the growth of cancer cells and contributing to cancer treatment strategies.
Used in Pain Management:
BETA-CARYOPHYLLENE is used as an analgesic agent, providing pain relief through its antinociceptive properties.

Preparation

Isolated from oil of clove stems and separated from eugenol by treating the oil with 7% sodium carbonate solution, extracting with ether, repeating the carbonate treatment on the concentrated extracts, and finally steam distilling.

Synthesis Reference(s)

Journal of the American Chemical Society, 86, p. 485, 1964 DOI: 10.1021/ja01057a040

Air & Water Reactions

Insoluble in water.

Reactivity Profile

The unsaturated aliphatic hydrocarbons, such as BETA-CARYOPHYLLENE, are generally much more reactive than the alkanes. Strong oxidizers may react vigorously with them. Reducing agents can react exothermically to release gaseous hydrogen. In the presence of various catalysts (such as acids) or initiators, compounds in this class can undergo very exothermic addition polymerization reactions.

Fire Hazard

BETA-CARYOPHYLLENE is combustible.

Safety Profile

A skin irritant. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes.

Carcinogenicity

Caryophyllene showed significant activity as an inducer of the detoxifying enzyme glutathione S-transferase in the mouse liver and small intestine. The ability of natural anticarcinogens to induce detoxifying enzymes has been found to correlate with their activity in the inhibition of chemical carcinogenesis (253a).

Check Digit Verification of cas no

The CAS Registry Mumber 87-44-5 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 87-44:
(4*8)+(3*7)+(2*4)+(1*4)=65
65 % 10 = 5
So 87-44-5 is a valid CAS Registry Number.
InChI:InChI=1/C14H22/c1-10-5-7-11(2)12-9-14(3,4)13(12)8-6-10/h5,12-13H,2,6-9H2,1,3-4H3/b10-5+/t12-,13-/m1/s1

87-44-5 Well-known Company Product Price

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  • Detail
  • TCI America

  • (C0796)  β-Caryophyllene  >90.0%(GC)

  • 87-44-5

  • 25mL

  • 240.00CNY

  • Detail
  • TCI America

  • (C0796)  β-Caryophyllene  >90.0%(GC)

  • 87-44-5

  • 100mL

  • 590.00CNY

  • Detail
  • TCI America

  • (C0796)  β-Caryophyllene  >90.0%(GC)

  • 87-44-5

  • 500mL

  • 1,290.00CNY

  • Detail
  • Sigma-Aldrich

  • (75541)  (−)-trans-Caryophyllene  analytical standard

  • 87-44-5

  • 75541-1ML

  • 2,943.72CNY

  • Detail
  • Sigma

  • (22075)  (−)-trans-Caryophyllene  ≥98.5% (sum of enantiomers, GC)

  • 87-44-5

  • 22075-1ML-F

  • 732.42CNY

  • Detail
  • Sigma

  • (22075)  (−)-trans-Caryophyllene  ≥98.5% (sum of enantiomers, GC)

  • 87-44-5

  • 22075-5ML-F

  • 1,506.96CNY

  • Detail
  • Sigma

  • (22075)  (−)-trans-Caryophyllene  ≥98.5% (sum of enantiomers, GC)

  • 87-44-5

  • 22075-25ML-F

  • 4,954.95CNY

  • Detail

87-44-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name (-)-β-caryophyllene

1.2 Other means of identification

Product number -
Other names Bicyclo[7.2.0]undec-4-ene, 4,11,11-trimethyl-8-methylene-, [1R-(1R*,4E,9S*)]-

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Food additives -> Flavoring Agents
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:87-44-5 SDS

87-44-5Synthetic route

(1S,9R)-6,10,10-trimethylbicyclo[7.2.0]undec-(5E)-en-2-one
60362-44-9

(1S,9R)-6,10,10-trimethylbicyclo[7.2.0]undec-(5E)-en-2-one

Methyltriphenylphosphonium bromide
1779-49-3

Methyltriphenylphosphonium bromide

β-caryophyllene
87-44-5

β-caryophyllene

Conditions
ConditionsYield
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran; hexane at 0 - 23℃;
Stage #2: (1S,9R)-6,10,10-trimethylbicyclo[7.2.0]undec-(5E)-en-2-one In tetrahydrofuran; hexane at 23℃; for 1h; Further stages.;
79%
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran at -78 - 0℃; for 0.166667h; Inert atmosphere;
Stage #2: (1S,9R)-6,10,10-trimethylbicyclo[7.2.0]undec-(5E)-en-2-one In tetrahydrofuran at -78 - 20℃; for 24h; Inert atmosphere;
48%
(E)-caryophyll-4-en-8-yl p-nitrobenzoate

(E)-caryophyll-4-en-8-yl p-nitrobenzoate

A

β-caryophyllene
87-44-5

β-caryophyllene

B

(1S,2R,5R,6S,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,5>undecan-6-ol
169220-06-8

(1S,2R,5R,6S,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,5>undecan-6-ol

C

(1S,2R,9R,E)-2,6,10,10-tetramethylbicyclo[7.2.0]undec-5-en-2-ol
60269-12-7

(1S,2R,9R,E)-2,6,10,10-tetramethylbicyclo[7.2.0]undec-5-en-2-ol

Conditions
ConditionsYield
With water In pyridine; acetone at 125℃; for 2h;A 70%
B 3%
C 10%

A

α-caryophyllene
6753-98-6

α-caryophyllene

B

β-caryophyllene
87-44-5

β-caryophyllene

C

2-epi-trans-β-caryophyllene
68832-35-9

2-epi-trans-β-caryophyllene

D

2-((1S,3aS,7aS,E)-1,6,6-trimethyloctahydro-4H-inden-4-ylidene)propan-1-ol

2-((1S,3aS,7aS,E)-1,6,6-trimethyloctahydro-4H-inden-4-ylidene)propan-1-ol

E

(+)-isoafricanol
104975-19-1

(+)-isoafricanol

F

african-1-ene

african-1-ene

G

δ9,10-africanene

δ9,10-africanene

Conditions
ConditionsYield
With sesquiterpene cyclase from Trichoderma spp. In aq. buffer at 28℃; for 3h; pH=8.2; Enzymatic reaction;A n/a
B n/a
C n/a
D 45%
E n/a
F n/a
G n/a
(1S,2R,9R,E)-2,6,10,10-tetramethylbicyclo[7.2.0]undec-5-en-2-ol
60269-12-7

(1S,2R,9R,E)-2,6,10,10-tetramethylbicyclo[7.2.0]undec-5-en-2-ol

A

(-)-(1S,4S,7R,8R,9S)-9-epi-presilphiperfolan-1-ol
1176003-49-8

(-)-(1S,4S,7R,8R,9S)-9-epi-presilphiperfolan-1-ol

B

β-caryophyllene
87-44-5

β-caryophyllene

C

(2aS,2a1S,4aS,7S,7aS)-2a,4,4a,7-tetramethyl-2,2a,2a1,4a,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

(2aS,2a1S,4aS,7S,7aS)-2a,4,4a,7-tetramethyl-2,2a,2a1,4a,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

D

(2aS,2a1R,5S,7aR)-1,1,2a,5-tetramethyl-2,2a,2a1,3,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

(2aS,2a1R,5S,7aR)-1,1,2a,5-tetramethyl-2,2a,2a1,3,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

Conditions
ConditionsYield
With hydrogenchloride; C-undecyl resorcin[4]arene In chloroform; water at 30℃; for 288h;A n/a
B n/a
C n/a
D 8%
4,5-epithiocaryophyllene
65563-95-3

4,5-epithiocaryophyllene

β-caryophyllene
87-44-5

β-caryophyllene

Conditions
ConditionsYield
With triphenylphosphine In dibutyl ether at 130℃; for 0.666667h;99 % Chromat.
caryophyllene oxide
60594-22-1

caryophyllene oxide

A

β-caryophyllene
87-44-5

β-caryophyllene

B

(1R,3Z,9S)-4,11,11-trimethyl-8-methylenebicyclo<7.2.0>undeca-3-ene
136296-35-0

(1R,3Z,9S)-4,11,11-trimethyl-8-methylenebicyclo<7.2.0>undeca-3-ene

C

(1R,9S)-4,8-bismethylenebicyclo<7.2.0>undecane
136296-38-3

(1R,9S)-4,8-bismethylenebicyclo<7.2.0>undecane

Conditions
ConditionsYield
With lithium aluminium tetrahydride; phosphoric acid; silica gel; titanium tetrachloride 1.) ether, hexane, 30 min, 2.) THF, reflux, 5 h; Yield given. Multistep reaction. Yields of byproduct given;
caryophyllene oxide
60594-22-1

caryophyllene oxide

A

β-caryophyllene
87-44-5

β-caryophyllene

B

(-)-isocaryophyllene
118-65-0

(-)-isocaryophyllene

C

(1R,3Z,9S)-4,11,11-trimethyl-8-methylenebicyclo<7.2.0>undeca-3-ene
136296-35-0

(1R,3Z,9S)-4,11,11-trimethyl-8-methylenebicyclo<7.2.0>undeca-3-ene

D

(1R,9S)-4,8-bismethylenebicyclo<7.2.0>undecane
136296-38-3

(1R,9S)-4,8-bismethylenebicyclo<7.2.0>undecane

Conditions
ConditionsYield
With lithium aluminium tetrahydride; phosphoric acid; silica gel; titanium tetrachloride 1.) ether, hexane, 30 min, 2.) THF, reflux, 5 h; Yield given. Multistep reaction. Yields of byproduct given;
caryophyllene oxide
60594-22-1

caryophyllene oxide

A

β-caryophyllene
87-44-5

β-caryophyllene

B

(1S,2S,5R,8R,9R)-1,4,4,8-tetramethyltricyclo[6.3.0.02,5]undecan-9-ol
122571-86-2

(1S,2S,5R,8R,9R)-1,4,4,8-tetramethyltricyclo[6.3.0.02,5]undecan-9-ol

C

4,5-dihydrocaryophyllen-4β-ol
86834-01-7

4,5-dihydrocaryophyllen-4β-ol

D

1R,4S,5R,9S-4,5-dihydrocaryophyllen-5-ol
92218-81-0

1R,4S,5R,9S-4,5-dihydrocaryophyllen-5-ol

Conditions
ConditionsYield
With ammonia; lithium In diethyl ether for 3h;A 0.03 g
B 0.75 g
C 0.25 g
D 1.20 g
14-hydroxy-4,5-dihydro-caryophyllene
50277-33-3, 78683-81-5, 79768-25-5, 123355-03-3

14-hydroxy-4,5-dihydro-caryophyllene

A

β-caryophyllene
87-44-5

β-caryophyllene

B

(1R,2R,5S)-4,4-Dimethyltricyclo<6.3.2.02,5>tridec-8(9)-en-1-ol

(1R,2R,5S)-4,4-Dimethyltricyclo<6.3.2.02,5>tridec-8(9)-en-1-ol

Conditions
ConditionsYield
With lithium aluminium tetrahydride; water; phosphorus tribromide 1.) Et2O, -10 deg C, 7 min; 2.) Et2O, 1 h; Yield given. Multistep reaction. Yields of byproduct given;
flower buds of eugenia caryophyllata

flower buds of eugenia caryophyllata

β-caryophyllene
87-44-5

β-caryophyllene

Conditions
ConditionsYield
With steam Destillation;
Conditions
ConditionsYield
With recombinant β-caryophyllene synthase from Artemisia annua; magnesium chloride; manganese(ll) chloride pH=7.0; Enzyme kinetics;
(2E,6E)-[2-(2)H1]-farnesyl diphosphate trisammonium salt

(2E,6E)-[2-(2)H1]-farnesyl diphosphate trisammonium salt

A

(5R,8S,8aS)-3,8-dimethyl-5-(prop-1-en-2-yl)-1,2,4,5,6,7,8,8a-octahydroazulene

(5R,8S,8aS)-3,8-dimethyl-5-(prop-1-en-2-yl)-1,2,4,5,6,7,8,8a-octahydroazulene

B

(1R,3S,6S,7S,8S)-3,6,8-trimethyl-2-methylenetricyclo[5.3.1.03,8]undecane
20085-93-2

(1R,3S,6S,7S,8S)-3,6,8-trimethyl-2-methylenetricyclo[5.3.1.03,8]undecane

C

[5-(2)H1]-patchoulol
1215267-72-3

[5-(2)H1]-patchoulol

D

[5,12-(2)H2]-patchoulol
1215267-73-4

[5,12-(2)H2]-patchoulol

E

β-caryophyllene
87-44-5

β-caryophyllene

G

β-patchoulene
514-51-2, 92841-73-1

β-patchoulene

H

(1S,4S,7R)-7-Isopropenyl-1,4-dimethyl-1,2,3,4,5,6,7,8-octahydro-azulene
3691-12-1, 53863-54-0

(1S,4S,7R)-7-Isopropenyl-1,4-dimethyl-1,2,3,4,5,6,7,8-octahydro-azulene

I

(1α,3aα,7α,8aβ)-2,3,6,7,8,8a-hexahydro-1,4,9,9-tetramethyl-1H-3a,7-methanoazulene
560-32-7

(1α,3aα,7α,8aβ)-2,3,6,7,8,8a-hexahydro-1,4,9,9-tetramethyl-1H-3a,7-methanoazulene

J

δ-patchoulene
53823-16-8

δ-patchoulene

Conditions
ConditionsYield
With recombinant patchouli alcohol synthase; magnesium chloride at 30℃; pH=7.4; aq. buffer; Enzymatic reaction;
caryophyllene oxide
1139-30-6

caryophyllene oxide

β-caryophyllene
87-44-5

β-caryophyllene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: 4-methylmorpholine N-oxide; osmium(VIII) oxide / tert-butyl alcohol; water / 70 h / 20 °C
2.1: sodium periodate / water; methanol / 4.33 h / 20 °C / Inert atmosphere
3.1: zinc; sodium acetate; sodium iodide / dichloromethane; acetic acid / 48 h / 0 - 20 °C
4.1: n-butyllithium / tetrahydrofuran / 0.17 h / -78 - 0 °C / Inert atmosphere
4.2: 24 h / -78 - 20 °C / Inert atmosphere
View Scheme
5,6-epoxy-2-hydroxymethyl-6,10,10-trimethyl-bicyclo[7.2.0]undecan-2-ol
10577-25-0, 60479-11-0, 60479-16-5, 60479-18-7, 123808-25-3

5,6-epoxy-2-hydroxymethyl-6,10,10-trimethyl-bicyclo[7.2.0]undecan-2-ol

β-caryophyllene
87-44-5

β-caryophyllene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: sodium periodate / water; methanol / 4.33 h / 20 °C / Inert atmosphere
2.1: zinc; sodium acetate; sodium iodide / dichloromethane; acetic acid / 48 h / 0 - 20 °C
3.1: n-butyllithium / tetrahydrofuran / 0.17 h / -78 - 0 °C / Inert atmosphere
3.2: 24 h / -78 - 20 °C / Inert atmosphere
View Scheme
(1R,4R,6R,10S)-4,12,12-trimethyl-5-oxatricyclo[8.2.0.04,6]dodcan-9-one
10306-22-6, 10306-31-7, 24173-71-5, 34175-71-8

(1R,4R,6R,10S)-4,12,12-trimethyl-5-oxatricyclo[8.2.0.04,6]dodcan-9-one

β-caryophyllene
87-44-5

β-caryophyllene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: zinc; sodium acetate; sodium iodide / dichloromethane; acetic acid / 48 h / 0 - 20 °C
2.1: n-butyllithium / tetrahydrofuran / 0.17 h / -78 - 0 °C / Inert atmosphere
2.2: 24 h / -78 - 20 °C / Inert atmosphere
View Scheme
caryophyllene oxide
1139-30-6

caryophyllene oxide

A

(-)-(1S,4S,7R,8R,9S)-9-epi-presilphiperfolan-1-ol
1176003-49-8

(-)-(1S,4S,7R,8R,9S)-9-epi-presilphiperfolan-1-ol

B

β-caryophyllene
87-44-5

β-caryophyllene

C

(2aS,2a1S,4aS,7S,7aS)-2a,4,4a,7-tetramethyl-2,2a,2a1,4a,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

(2aS,2a1S,4aS,7S,7aS)-2a,4,4a,7-tetramethyl-2,2a,2a1,4a,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

D

(2aS,2a1R,5S,7aR)-1,1,2a,5-tetramethyl-2,2a,2a1,3,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

(2aS,2a1R,5S,7aR)-1,1,2a,5-tetramethyl-2,2a,2a1,3,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: ozone / dichloromethane / -78 °C
1.2: 18 h / 20 °C / Inert atmosphere
2.1: zinc; acetic acid; Cu(OAc)2·H2O / ethanol / 18 h / 20 °C / Reflux
3.1: diethyl ether / 2 h / 0 - 20 °C / Inert atmosphere
4.1: hydrogenchloride; C-undecyl resorcin[4]arene / chloroform; water / 288 h / 30 °C
View Scheme
(1R,4R,6R,10S)-4,12,12-trimethyl-5-oxatricyclo[8.2.0.04,6]dodcan-9-one
10306-22-6, 10306-31-7, 24173-71-5, 34175-71-8

(1R,4R,6R,10S)-4,12,12-trimethyl-5-oxatricyclo[8.2.0.04,6]dodcan-9-one

A

(-)-(1S,4S,7R,8R,9S)-9-epi-presilphiperfolan-1-ol
1176003-49-8

(-)-(1S,4S,7R,8R,9S)-9-epi-presilphiperfolan-1-ol

B

β-caryophyllene
87-44-5

β-caryophyllene

C

(2aS,2a1S,4aS,7S,7aS)-2a,4,4a,7-tetramethyl-2,2a,2a1,4a,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

(2aS,2a1S,4aS,7S,7aS)-2a,4,4a,7-tetramethyl-2,2a,2a1,4a,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

D

(2aS,2a1R,5S,7aR)-1,1,2a,5-tetramethyl-2,2a,2a1,3,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

(2aS,2a1R,5S,7aR)-1,1,2a,5-tetramethyl-2,2a,2a1,3,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: zinc; acetic acid; Cu(OAc)2·H2O / ethanol / 18 h / 20 °C / Reflux
2: diethyl ether / 2 h / 0 - 20 °C / Inert atmosphere
3: hydrogenchloride; C-undecyl resorcin[4]arene / chloroform; water / 288 h / 30 °C
View Scheme
(1S,9R)-6,10,10-trimethylbicyclo[7.2.0]undec-(5E)-en-2-one
60362-44-9

(1S,9R)-6,10,10-trimethylbicyclo[7.2.0]undec-(5E)-en-2-one

A

(-)-(1S,4S,7R,8R,9S)-9-epi-presilphiperfolan-1-ol
1176003-49-8

(-)-(1S,4S,7R,8R,9S)-9-epi-presilphiperfolan-1-ol

B

β-caryophyllene
87-44-5

β-caryophyllene

C

(2aS,2a1S,4aS,7S,7aS)-2a,4,4a,7-tetramethyl-2,2a,2a1,4a,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

(2aS,2a1S,4aS,7S,7aS)-2a,4,4a,7-tetramethyl-2,2a,2a1,4a,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

D

(2aS,2a1R,5S,7aR)-1,1,2a,5-tetramethyl-2,2a,2a1,3,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

(2aS,2a1R,5S,7aR)-1,1,2a,5-tetramethyl-2,2a,2a1,3,5,6,7,7a-octahydro-1H-cyclopenta[cd]indene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: diethyl ether / 2 h / 0 - 20 °C / Inert atmosphere
2: hydrogenchloride; C-undecyl resorcin[4]arene / chloroform; water / 288 h / 30 °C
View Scheme
β-caryophyllene
87-44-5

β-caryophyllene

3,6-di(2'-pyridyl)-1,2,4,5-tetrazine
1671-87-0

3,6-di(2'-pyridyl)-1,2,4,5-tetrazine

(6aR,8aS)-4a,7,7-trimethyl-9-methylene-1,4-di(pyridin-2-yl)-4a,5,6, 6a,7,8,8a,9,10,11-decahydro-2H-cyclobuta[5,6]cyclonona[1,2-d]pyridazine

(6aR,8aS)-4a,7,7-trimethyl-9-methylene-1,4-di(pyridin-2-yl)-4a,5,6, 6a,7,8,8a,9,10,11-decahydro-2H-cyclobuta[5,6]cyclonona[1,2-d]pyridazine

Conditions
ConditionsYield
In methanol at 20℃; for 4h;96%
β-caryophyllene
87-44-5

β-caryophyllene

α,α,α-iodinefluoroacetophenone
150542-06-6

α,α,α-iodinefluoroacetophenone

C23H29F2IO

C23H29F2IO

Conditions
ConditionsYield
With potassium hydrogencarbonate; phenol In 1,4-dioxane at 50℃; Inert atmosphere; Irradiation;95%
β-caryophyllene
87-44-5

β-caryophyllene

α,α,α-iododifluoro-p-methylacetophenone

α,α,α-iododifluoro-p-methylacetophenone

2,2-difluoro-3-((2aR,7bS)-5-iodo-2,2,4a-trimethyldecahydro-7aH-cyclobuta[e]inden-7a-yl)-1-(p-tolyl)propan- 1-one

2,2-difluoro-3-((2aR,7bS)-5-iodo-2,2,4a-trimethyldecahydro-7aH-cyclobuta[e]inden-7a-yl)-1-(p-tolyl)propan- 1-one

Conditions
ConditionsYield
With potassium hydrogencarbonate at 50℃; Inert atmosphere; Irradiation;94%
β-caryophyllene
87-44-5

β-caryophyllene

1-(4-chlorophenyl)-2,2-difluoro-2-iodoethane-1-one

1-(4-chlorophenyl)-2,2-difluoro-2-iodoethane-1-one

1-(4-chlorophenyl)-2,2-difluoro-3-((2aR,7bS)-5-iodo-2,2,4a-trimethyldecahydro-7aH-cyclobuta[e]inden-7a-yl)propan-1-one

1-(4-chlorophenyl)-2,2-difluoro-3-((2aR,7bS)-5-iodo-2,2,4a-trimethyldecahydro-7aH-cyclobuta[e]inden-7a-yl)propan-1-one

Conditions
ConditionsYield
With potassium hydrogencarbonate In 1,4-dioxane at 50℃; Inert atmosphere; Irradiation;93%
β-caryophyllene
87-44-5

β-caryophyllene

1-(4-bromophenyl)-2,2-difluoro-2-iodoethane-1-one

1-(4-bromophenyl)-2,2-difluoro-2-iodoethane-1-one

1-(4-bromophenyl)-2,2-difluoro-3-((2aR,7bS)-5-iodo-2,2,4a-trimethyldecahydro-7aH-cyclobuta[e]inden-7a-yl)propan- 1-one

1-(4-bromophenyl)-2,2-difluoro-3-((2aR,7bS)-5-iodo-2,2,4a-trimethyldecahydro-7aH-cyclobuta[e]inden-7a-yl)propan- 1-one

Conditions
ConditionsYield
With potassium hydrogencarbonate at 50℃; Inert atmosphere; Irradiation;92%
β-caryophyllene
87-44-5

β-caryophyllene

(-)-isocaryophyllene
118-65-0

(-)-isocaryophyllene

Conditions
ConditionsYield
With diphenyldisulfane In toluene Irradiation;90%
With ammonium cerium (IV) nitrate; oxygen In acetonitrile at 80℃; under 750.075 Torr; for 2h; Inert atmosphere;85%
With selenium at 180 - 190℃; for 5h;80%
With selenium at 185℃; for 5h;1.44 g
ethyl 2,2-difluoro-2-iodoacetate
7648-30-8

ethyl 2,2-difluoro-2-iodoacetate

β-caryophyllene
87-44-5

β-caryophyllene

C19H29F2IO2

C19H29F2IO2

Conditions
ConditionsYield
With potassium hydrogencarbonate In 1,4-dioxane at 50℃; Inert atmosphere; Irradiation;90%
Conditions
ConditionsYield
With sodium hydroxide; sodium tungstate; phenylphosphonate; dihydrogen peroxide; methyl tri-n-octyl ammonium hydrogen sulfate In water at 25℃; for 12h;82%
With 1-methyl-pyrrolidin-2-one; 18-crown-6 ether; dihydrogen peroxide; sodium carbonate; trichlorophosphate In dichloromethane 1) -20 deg C, 1h, 2) -20 deg C, to 20 deg C;77%
With 1-methyl-1H-imidazole; 3-Methylpyrazole; dihydrogen peroxide; methyltrioxorhenium(VII) In dichloromethane at 10℃; for 1h;> 99 %Chromat.
With sodium tungstate (VI) dihydrate; phenylphosphonate; dihydrogen peroxide; methyl tri-n-octyl ammonium hydrogen sulfate; sodium hydroxide In water at 25℃; for 12h; regioselective reaction;82 %Chromat.
β-caryophyllene
87-44-5

β-caryophyllene

2,2,2-trifluoroethylsulfamate ester
92720-79-1

2,2,2-trifluoroethylsulfamate ester

C17H28F3NO3S

C17H28F3NO3S

Conditions
ConditionsYield
With trifluorormethanesulfonic acid In toluene at 20℃; for 1h; Inert atmosphere;82%
β-caryophyllene
87-44-5

β-caryophyllene

palladium dichloride

palladium dichloride

di-μ-chloro(exo-η(3)-carophyllenyl)dipalladium(II)

di-μ-chloro(exo-η(3)-carophyllenyl)dipalladium(II)

Conditions
ConditionsYield
With NaCl; NaOAc In acetic acid 85°C (2 h), alkene addn. (room temp.); H2O addn., extg. (CHCl3), drying (MgSO4), evapn. (reduced pressure), drying (vac.); elem. anal.;69%
β-caryophyllene
87-44-5

β-caryophyllene

caryophyllene oxide
1139-30-6

caryophyllene oxide

Conditions
ConditionsYield
With 4-methyloxetan-2-one; CpLIP2 Y179F (ipase/acyltransferase) from Candida parapsilosis; dihydrogen peroxide In aq. phosphate buffer; water at 20℃; for 24h; pH=6.5; Reagent/catalyst; Enzymatic reaction;67%
With sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid In dichloromethane at 20℃; for 2h;66%
With peracetic acid; sodium acetate In dichloromethane
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 0℃; for 0.5h;75 % Chromat.
β-caryophyllene
87-44-5

β-caryophyllene

recorcinol
108-46-3

recorcinol

(1R,2S,5R,8S)-4-(4,4,8-trimethyltricyclo[6.3.1.02,5]dodec-1-yl)benzene-1,3-diol

(1R,2S,5R,8S)-4-(4,4,8-trimethyltricyclo[6.3.1.02,5]dodec-1-yl)benzene-1,3-diol

Conditions
ConditionsYield
HB-2 zeolie In dichloromethane at 25℃; for 20h;63%
β-caryophyllene
87-44-5

β-caryophyllene

norisoleptospermone

norisoleptospermone

A

hyperjapone C

hyperjapone C

B

hyperjapone E

hyperjapone E

Conditions
ConditionsYield
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; silver(l) oxide In diethyl ether at -78 - 20℃; for 4h; Inert atmosphere;A 61%
B n/a
β-caryophyllene
87-44-5

β-caryophyllene

3,5-dihydroxy-4,6,6-trimethyl-2-(2-methyl-1-oxopropyl)-2,4-cyclohexadiene-1-one

3,5-dihydroxy-4,6,6-trimethyl-2-(2-methyl-1-oxopropyl)-2,4-cyclohexadiene-1-one

A

hyperjapone B

hyperjapone B

B

hyperjapone D

hyperjapone D

Conditions
ConditionsYield
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; silver(l) oxide In diethyl ether at -78 - 20℃; for 17.5h; Concentration; Reagent/catalyst; Temperature; Solvent; Inert atmosphere; Overall yield = 60 %; Overall yield = 388 mg;A 60%
B n/a
methanol
67-56-1

methanol

β-caryophyllene
87-44-5

β-caryophyllene

(1'R,4'S)-4-[4'-(4,4-dimethoxy-1-methylidenebutyl)-2',2'-dimethylcyclobutyl]butan-2-one
101927-11-1

(1'R,4'S)-4-[4'-(4,4-dimethoxy-1-methylidenebutyl)-2',2'-dimethylcyclobutyl]butan-2-one

Conditions
ConditionsYield
Stage #1: β-caryophyllene With ozone In methanol; ethyl acetate at -78℃; for 0.166667h;
Stage #2: methanol With dimethylsulfide; montmorillonite K-10 In ethyl acetate at 20℃; for 48h;
59%
β-caryophyllene
87-44-5

β-caryophyllene

B

(1R,2S,7S,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,7>undec-5-ene
31887-51-1

(1R,2S,7S,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,7>undec-5-ene

C

α-neoclovene
4545-68-0

α-neoclovene

D

4,5-dihydrocaryophyllen-4β-ol
86834-01-7

4,5-dihydrocaryophyllen-4β-ol

E

(-)-Clovene
469-92-1

(-)-Clovene

F

(1S,2R,9R,E)-2,6,10,10-tetramethylbicyclo[7.2.0]undec-5-en-2-ol
60269-12-7

(1S,2R,9R,E)-2,6,10,10-tetramethylbicyclo[7.2.0]undec-5-en-2-ol

Conditions
ConditionsYield
In hexane at 68℃; for 24h;A 57.1%
B 6.2%
C 9%
D n/a
E 15.1%
F n/a
β-caryophyllene
87-44-5

β-caryophyllene

A

14-hydroxy-β-isocaryophyllene
79768-25-5

14-hydroxy-β-isocaryophyllene

B

(-)-isocaryophyllene
118-65-0

(-)-isocaryophyllene

Conditions
ConditionsYield
With selenium(IV) oxide In ethanol at 20℃; for 3h;A 42%
B 55%
With selenium(IV) oxide In ethanol for 3h; Ambient temperature;A 0.9 g
B 1.3 g
formaldehyd
50-00-0

formaldehyd

4-hydroxy[1]benzopyran-2-one
1076-38-6

4-hydroxy[1]benzopyran-2-one

β-caryophyllene
87-44-5

β-caryophyllene

A

(6aSR,9R,12S,15aRS)-7,8,9,10,11,12,14,15,15a,16-Decahydro-6aH,13H,17H-bicyclo<7.2.0>undecano<5',4':5,6>pyrano-<2,3-b><1>benzopyran-17-one

(6aSR,9R,12S,15aRS)-7,8,9,10,11,12,14,15,15a,16-Decahydro-6aH,13H,17H-bicyclo<7.2.0>undecano<5',4':5,6>pyrano-<2,3-b><1>benzopyran-17-one

B

(7aSR,11S,14R,16aRS)-7,7a,8,9,11,12,13,14,15,16-Decahydro-13,13,16a-trimethyl-10-methylene-6H,10H,16aH-bicyclo<7.2.0>undecano<5',4':5,6>pyrano<3,2-c><1>benzopyran-6-one

(7aSR,11S,14R,16aRS)-7,7a,8,9,11,12,13,14,15,16-Decahydro-13,13,16a-trimethyl-10-methylene-6H,10H,16aH-bicyclo<7.2.0>undecano<5',4':5,6>pyrano<3,2-c><1>benzopyran-6-one

Conditions
ConditionsYield
In 1,4-dioxane for 3h; Heating;A 38%
B 54%
β-caryophyllene
87-44-5

β-caryophyllene

methyl 2,6-dihydroxy-4-(2-hydroxyethyl)benzoate
1332835-53-6

methyl 2,6-dihydroxy-4-(2-hydroxyethyl)benzoate

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

C26H34O5
1332835-54-7

C26H34O5

Conditions
ConditionsYield
With trifluoroacetic acid at 100℃;53%
β-caryophyllene
87-44-5

β-caryophyllene

A

(1S,2S,5S,8S)-4,4,8-trimethyltricyclo<6.3.1.01,5>dodecan-2-ol
62560-57-0

(1S,2S,5S,8S)-4,4,8-trimethyltricyclo<6.3.1.01,5>dodecan-2-ol

C

(1R,2S,7S,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,7>undec-5-ene
31887-51-1

(1R,2S,7S,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,7>undec-5-ene

D

α-neoclovene
4545-68-0

α-neoclovene

E

ginsenol

ginsenol

F

4,5-dihydrocaryophyllen-4β-ol
86834-01-7

4,5-dihydrocaryophyllen-4β-ol

G

(-)-Clovene
469-92-1

(-)-Clovene

H

isocaryolan-8-ol
131717-65-2

isocaryolan-8-ol

I

(1S,2R,9R,E)-2,6,10,10-tetramethylbicyclo[7.2.0]undec-5-en-2-ol
60269-12-7

(1S,2R,9R,E)-2,6,10,10-tetramethylbicyclo[7.2.0]undec-5-en-2-ol

Conditions
ConditionsYield
With sulfuric acid In diethyl ether at 20℃; for 72h;A 9.4%
B 48.6%
C 7%
D 12.7%
E 6.4%
F n/a
G 6%
H 3.9%
I n/a
β-caryophyllene
87-44-5

β-caryophyllene

C22H20N3O5Pol

C22H20N3O5Pol

cyclohexa-1,3-diene
1165952-91-9

cyclohexa-1,3-diene

A

C12H13N3O2
1007585-62-7

C12H13N3O2

B

6-[hydroxy-N-(8-hydroxy-1,4,4-trimethyltricyclo[6.3.1.0(2,5)]dodec-9-yl)amino]pyridine-3-carboxamide
1350541-02-4

6-[hydroxy-N-(8-hydroxy-1,4,4-trimethyltricyclo[6.3.1.0(2,5)]dodec-9-yl)amino]pyridine-3-carboxamide

Conditions
ConditionsYield
Stage #1: β-caryophyllene; C22H20N3O5Pol; cyclohexa-1,3-diene In dichloromethane at 21℃; for 2h; solid phase reaction;
Stage #2: With trifluoroacetic acid In dichloromethane at 21℃; solid phase reaction;
A n/a
B 46%
β-caryophyllene
87-44-5

β-caryophyllene

phenylacetylene
536-74-3

phenylacetylene

(1R,4S,7R,11S)-4,13,13-trimethyl-10-methylene-6-phenyltricyclo[9.2.0.04,7]tridec-5-ene

(1R,4S,7R,11S)-4,13,13-trimethyl-10-methylene-6-phenyltricyclo[9.2.0.04,7]tridec-5-ene

Conditions
ConditionsYield
With (acetonitrile)[(2',4',6'-triisopropyl-1,1'-biphenyl-2-yl)di-tert-butylphosphine]gold(I) tetrakis[3,5-bis(trifluoromethyl)phenyl]borate In dichloromethane at 23℃; for 36h; regioselective reaction;46%
β-caryophyllene
87-44-5

β-caryophyllene

(4-trifluoromethyl)phenyl nitrile oxide
158611-70-2

(4-trifluoromethyl)phenyl nitrile oxide

A

(1S,5E,9R)-6,10,10-trimethyl-4’-[4-(trifluoromethyl)phenyl]-3’H-spiro[bicyclo[7.2.0]undecane-2,2’-[1,5]oxazole]-5-ene

(1S,5E,9R)-6,10,10-trimethyl-4’-[4-(trifluoromethyl)phenyl]-3’H-spiro[bicyclo[7.2.0]undecane-2,2’-[1,5]oxazole]-5-ene

B

(1’S,4’R,7’S,11’R)-1’,5’,5’-trimethyl-4-12’-bis[4-(trifluoromethyl)phenyl]-3H-14’-oxa-13’-azaspiro[1,5-oxazole-2,8-tricyclo[9.3.0.04,7]tetradecan]-12’-ene

(1’S,4’R,7’S,11’R)-1’,5’,5’-trimethyl-4-12’-bis[4-(trifluoromethyl)phenyl]-3H-14’-oxa-13’-azaspiro[1,5-oxazole-2,8-tricyclo[9.3.0.04,7]tetradecan]-12’-ene

Conditions
ConditionsYield
In dichloromethane at 20℃;A 45%
B 30%
β-caryophyllene
87-44-5

β-caryophyllene

A

(1S,2S,5S,8S)-4,4,8-trimethyltricyclo<6.3.1.01,5>dodecan-2-ol
62560-57-0

(1S,2S,5S,8S)-4,4,8-trimethyltricyclo<6.3.1.01,5>dodecan-2-ol

C

(1R,2S,7S,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,7>undec-5-ene
31887-51-1

(1R,2S,7S,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,7>undec-5-ene

D

α-neoclovene
4545-68-0

α-neoclovene

E

ginsenol

ginsenol

F

isocaryophyllene

isocaryophyllene

G

4,5-dihydrocaryophyllen-4β-ol
86834-01-7

4,5-dihydrocaryophyllen-4β-ol

H

(-)-Clovene
469-92-1

(-)-Clovene

I

isocaryolan-8-ol
131717-65-2

isocaryolan-8-ol

J

(1R,3Z,9S)-4,11,11-trimethyl-8-methylenebicyclo<7.2.0>undeca-3-ene
136296-35-0

(1R,3Z,9S)-4,11,11-trimethyl-8-methylenebicyclo<7.2.0>undeca-3-ene

K

(1R,3Z,7Z,9S)-4,8,11,11-tetramethylbicyclo<7.2.0>undeca-3,7-diene
136296-37-2

(1R,3Z,7Z,9S)-4,8,11,11-tetramethylbicyclo<7.2.0>undeca-3,7-diene

L

(1S,2S,5R)-1,4,4-trimethyltricyclo<6.3.1.02,5>dodec-8-ene
136376-06-2

(1S,2S,5R)-1,4,4-trimethyltricyclo<6.3.1.02,5>dodec-8-ene

M

(1S,2R,5Z,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,5>undec-5-ene

(1S,2R,5Z,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,5>undec-5-ene

N

(1R,2S,5R,9S)-1,4,4-trimethyl-8-methylenetricyclo<7.2.0.02,5>undecane
169220-03-5

(1R,2S,5R,9S)-1,4,4-trimethyl-8-methylenetricyclo<7.2.0.02,5>undecane

O

(1S,2R,9R,E)-2,6,10,10-tetramethylbicyclo[7.2.0]undec-5-en-2-ol
60269-12-7

(1S,2R,9R,E)-2,6,10,10-tetramethylbicyclo[7.2.0]undec-5-en-2-ol

Conditions
ConditionsYield
With sulfuric acid In diethyl ether at 20℃; for 0.5h;A 9.1%
B 44.7%
C 1%
D 2.5%
E 3.9%
F n/a
G n/a
H 8.1%
I 4%
J n/a
K n/a
L 3.7%
M n/a
N n/a
O n/a
β-caryophyllene
87-44-5

β-caryophyllene

A

(1S,2S,5S,8S)-4,4,8-trimethyltricyclo<6.3.1.01,5>dodecan-2-ol
62560-57-0

(1S,2S,5S,8S)-4,4,8-trimethyltricyclo<6.3.1.01,5>dodecan-2-ol

C

isocaryophyllene

isocaryophyllene

D

(-)-Clovene
469-92-1

(-)-Clovene

E

isocaryolan-8-ol
131717-65-2

isocaryolan-8-ol

F

(1R,3Z,9S)-4,11,11-trimethyl-8-methylenebicyclo<7.2.0>undeca-3-ene
136296-35-0

(1R,3Z,9S)-4,11,11-trimethyl-8-methylenebicyclo<7.2.0>undeca-3-ene

G

(1R,3Z,7Z,9S)-4,8,11,11-tetramethylbicyclo<7.2.0>undeca-3,7-diene
136296-37-2

(1R,3Z,7Z,9S)-4,8,11,11-tetramethylbicyclo<7.2.0>undeca-3,7-diene

H

(1S,2S,5R)-1,4,4-trimethyltricyclo<6.3.1.02,5>dodec-8-ene
136376-06-2

(1S,2S,5R)-1,4,4-trimethyltricyclo<6.3.1.02,5>dodec-8-ene

I

(1S,2R,5Z,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,5>undec-5-ene

(1S,2R,5Z,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,5>undec-5-ene

J

(1R,2S,5R,9S)-1,4,4-trimethyl-8-methylenetricyclo<7.2.0.02,5>undecane
169220-03-5

(1R,2S,5R,9S)-1,4,4-trimethyl-8-methylenetricyclo<7.2.0.02,5>undecane

Conditions
ConditionsYield
In hexane at 20℃; for 72h;A 4.6%
B 43.9%
C n/a
D 8.4%
E 5.4%
F n/a
G n/a
H 5.1%
I n/a
J n/a
β-caryophyllene
87-44-5

β-caryophyllene

A

(1S,2S,5S,8S)-4,4,8-trimethyltricyclo<6.3.1.01,5>dodecan-2-ol
62560-57-0

(1S,2S,5S,8S)-4,4,8-trimethyltricyclo<6.3.1.01,5>dodecan-2-ol

C

(1R,2S,7S,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,7>undec-5-ene
31887-51-1

(1R,2S,7S,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,7>undec-5-ene

D

α-neoclovene
4545-68-0

α-neoclovene

E

ginsenol

ginsenol

F

isocaryophyllene

isocaryophyllene

G

4,5-dihydrocaryophyllen-4β-ol
86834-01-7

4,5-dihydrocaryophyllen-4β-ol

H

(-)-Clovene
469-92-1

(-)-Clovene

I

isocaryolan-8-ol
131717-65-2

isocaryolan-8-ol

J

(1R,3Z,9S)-4,11,11-trimethyl-8-methylenebicyclo<7.2.0>undeca-3-ene
136296-35-0

(1R,3Z,9S)-4,11,11-trimethyl-8-methylenebicyclo<7.2.0>undeca-3-ene

K

(1R,3Z,7Z,9S)-4,8,11,11-tetramethylbicyclo<7.2.0>undeca-3,7-diene
136296-37-2

(1R,3Z,7Z,9S)-4,8,11,11-tetramethylbicyclo<7.2.0>undeca-3,7-diene

L

(1S,2R,9R,E)-2,6,10,10-tetramethylbicyclo[7.2.0]undec-5-en-2-ol
60269-12-7

(1S,2R,9R,E)-2,6,10,10-tetramethylbicyclo[7.2.0]undec-5-en-2-ol

Conditions
ConditionsYield
With sulfuric acid In acetone at 56℃; for 3h;A 16.7%
B 43.5%
C 6.2%
D 6.4%
E 6%
F n/a
G n/a
H 2.9%
I 5.7%
J n/a
K n/a
L n/a
β-caryophyllene
87-44-5

β-caryophyllene

A

(1S,2S,5S,8S)-4,4,8-trimethyltricyclo<6.3.1.01,5>dodecan-2-ol
62560-57-0

(1S,2S,5S,8S)-4,4,8-trimethyltricyclo<6.3.1.01,5>dodecan-2-ol

C

(1R,2S,7S,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,7>undec-5-ene
31887-51-1

(1R,2S,7S,9R)-2,6,10,10-tetramethyltricyclo<7.2.0.02,7>undec-5-ene

D

(1R,2R,6S,7S)-2,6,8,8-tetramethyltricyclo[5.2.2.01,6]undecane

(1R,2R,6S,7S)-2,6,8,8-tetramethyltricyclo[5.2.2.01,6]undecane

E

ginsenol

ginsenol

F

3,4,8α-trimethyl-1α-(12-methylene)tricyclo<6.3.1.01,5>dodeca-3,5-diene
123414-62-0

3,4,8α-trimethyl-1α-(12-methylene)tricyclo<6.3.1.01,5>dodeca-3,5-diene

G

4,5-dihydrocaryophyllen-4β-ol
86834-01-7

4,5-dihydrocaryophyllen-4β-ol

H

(-)-Clovene
469-92-1

(-)-Clovene

I

(1S,2R,9R,E)-2,6,10,10-tetramethylbicyclo[7.2.0]undec-5-en-2-ol
60269-12-7

(1S,2R,9R,E)-2,6,10,10-tetramethylbicyclo[7.2.0]undec-5-en-2-ol

Conditions
ConditionsYield
In hexane at 20℃; for 0.0833333h;A 1.3%
B 43.5%
C 2.1%
D 1.5%
E 0.8%
F 8%
G n/a
H 8.5%
I n/a

87-44-5Relevant articles and documents

Yano,Nishijima

, p. 1207 (1974)

Four-Step Access to the Sesquiterpene Natural Product Presilphiperfolan-1β-ol and Unnatural Derivatives via Supramolecular Catalysis

Bissegger, Fabian,Levi, Shani,Major, Dan T.,Némethová, Ivana,Prescimone, Alessandro,Schmid, Dario,Syntrivanis, Leonidas-Dimitrios,Tiefenbacher, Konrad

supporting information, p. 5894 - 5900 (2020/04/10)

Terpenes constitute one of the most structurally varied classes of natural products. A wide range of these structures are produced in nature by type I terpene cyclase enzymes from one single substrate. However, such reactivity has proven difficult to reproduce in solution with man-made systems. Herein we report the shortest synthesis of the tricyclic sesquiterpene presilphiperfolan-1β-ol to date, utilizing the supramolecular resorcinarene capsule as catalyst for the key step. This synthetic approach also allows access to unnatural derivatives of the natural product, which would not be accessible through the biosynthetic machinery. Additionally, this study provides useful insight into the biosynthesis of the presilphiperfolanol natural products, including the first experimental evidence consistent with the proposed biosynthetic connection between caryophyllene and the presilphiperfolanols.

An Unusual Skeletal Rearrangement in the Biosynthesis of the Sesquiterpene Trichobrasilenol from Trichoderma

Murai, Keiichi,Lauterbach, Lukas,Teramoto, Kazuya,Quan, Zhiyang,Barra, Lena,Yamamoto, Tsuyoshi,Nonaka, Kenichi,Shiomi, Kazuro,Nishiyama, Makoto,Kuzuyama, Tomohisa,Dickschat, Jeroen S.

supporting information, p. 15046 - 15050 (2019/09/12)

The skeletons of some classes of terpenoids are unusual in that they contain a larger number of Me groups (or their biosynthetic equivalents such as olefinic methylene groups, hydroxymethyl groups, aldehydes, or carboxylic acids and their derivatives) than provided by their oligoprenyl diphosphate precursor. This is sometimes the result of an oxidative ring-opening reaction at a terpene-cyclase-derived molecule containing the regular number of Me group equivalents, as observed for picrotoxan sesquiterpenes. In this study a sesquiterpene cyclase from Trichoderma spp. is described that can convert farnesyl diphosphate (FPP) directly via a remarkable skeletal rearrangement into trichobrasilenol, a new brasilane sesquiterpene with one additional Me group equivalent compared to FPP. A mechanistic hypothesis for the formation of the brasilane skeleton is supported by extensive isotopic labelling studies.

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