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CAS No.: | 4497-92-1 | ||||||||||
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Name: | (+)-2-CARENE | ||||||||||
Article Data: | 20 | ||||||||||
Molecular Structure: | |||||||||||
Formula: | C10H16 | ||||||||||
Molecular Weight: | 136.237 | ||||||||||
Synonyms: | 2-Carene,(1S,6R)-(+)- (8CI); Bicyclo[4.1.0]hept-2-ene, 3,7,7-trimethyl-, (1S)-;(+)-2-Carene; Pinonene | ||||||||||
Density: | 0.879g/cm3 | ||||||||||
Melting Point: | 25°C (estimate) | ||||||||||
Boiling Point: | 167.5°Cat760mmHg | ||||||||||
Flash Point: | 38.3°C | ||||||||||
Hazard Symbols: | |||||||||||
Risk Codes: | 10 | ||||||||||
Safety: |
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PSA: | 0.00000 | ||||||||||
LogP: | 2.99870 |
Conditions | Yield |
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With boron trifluoride diethyl etherate; isobutyraldehyde at 65℃; for 48h; | A 76% B 83% |
Conditions | Yield |
---|---|
With potassium tert-butylate In dimethyl sulfoxide at 100℃; for 4h; | 15% |
With titanic acid at 140℃; | |
With sulfuric acid at 110℃; |
Conditions | Yield |
---|---|
(i) Py*SO3, THF, (ii) LiAlH4; Multistep reaction; |
(-)-trans-Caran-2-on-tosylhydrazon
2-carene
Conditions | Yield |
---|---|
With methyllithium In diethyl ether |
Conditions | Yield |
---|---|
at 320℃; |
2-carene
Conditions | Yield |
---|---|
at 180℃; |
(+)-Δ3-carene
A
4-methylisopropylbenzene
B
2-carene
C
(-)-(1S)-3,8,8-trimethylbicyclo<4.1.1.>oct-3-ene-7-one
Conditions | Yield |
---|---|
With iron pentacarbonyl In dibutyl ether for 72h; Heating; Yield given. Yields of byproduct given. Title compound not separated from byproducts; | |
With iron pentacarbonyl In dibutyl ether for 72h; Heating; Yield given. Yields of byproduct given; |
α-terpinylphenylsulphide
A
p-menth-1-ene
B
(+)-Δ3-carene
C
4-methylisopropylbenzene
D
2-carene
Conditions | Yield |
---|---|
With lithium diethylamide In N,N,N,N,N,N-hexamethylphosphoric triamide; diethyl ether at 20℃; for 3h; Product distribution; Various reagents/solvents was used for the cyclisation (n-BuLi/TMEDA, K-t-butoxide/DMSO).; |
(+)-Δ3-carene
A
4-methylisopropylbenzene
B
2-carene
C
(-)-(1S)-3,8,8-trimethylbicyclo<4.1.1.>oct-3-ene-7-one
Conditions | Yield |
---|---|
With iron pentacarbonyl 1) 150 deg C, 18 h, 2) 160 deg C, 24 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: PhNMe2 / acetic anhydride 2: 180 °C View Scheme |