- CAS Number:17715-00-3
- Molecular Formula:C9H14
- Molecular Weight:122.21
- Mol File:17715-00-3.mol
Synonyms:Cyclohexane,2-propynyl- (8CI,9CI);Propyne, 3-cyclohexyl- (6CI);2-Propynylcyclohexane;3-Cyclohexyl-1-propyne;Propargylcyclohexane;
- Melting Point:N/A
- Boiling Point:158.2 °C at 760 mmHg
- Density:0.846 g/cm3
- Flash Point:37.5 °C
- Vapor Density:N/A
- Refractive Index:n20/D 1.4590(lit.)
- Storage Temp.:N/A
Cyclohexane,2-propyn-1-yl- Safety information and MSDS
H226 Flammable liquid and vapour
H302 Harmful if swallowed
H318 Causes serious eye damage
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.
P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment.
P242 Use non-sparking tools.
P243 Take action to prevent static discharges.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water [or shower].
P370+P378 In case of fire: Use ... to extinguish.
P301+P312 IF SWALLOWED: Call a POISON CENTER/doctor/…if you feel unwell.
P330 Rinse mouth.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P310 Immediately call a POISON CENTER/doctor/…
P403+P235 Store in a well-ventilated place. Keep cool.
P501 Dispose of contents/container to ...
·Composition/information on ingredients:
|Chemical name||Common names and synonyms||CAS number||EC number||Concentration|
General adviceConsult a physician. Show this safety data sheet to the doctor in attendance.If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. In case of skin contact Wash off with soap and plenty of water. Consult a physician. In case of eye contact Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. If swallowed Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Wear self-contained breathing apparatus for firefighting if necessary.
·Accidental release measures:
Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8. Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.
Cyclohexane,2-propyn-1-yl- Relevant articlesAll total 3 Articles be found
The stereochemistry of the vinylogous Peterson elimination
Fleming, Ian,Morgan, Ian T.,Sarkar, Achintya K.
, p. 2749 - 2763 (2007/10/03)
Base-induced eliminations of the vinylogous β-hydroxysilanes 7, 9, 11 and 12 are stereospecifically syn, giving largely the trans,trans-diene 8 from 7 and 11, the cis,trans-diene 10 from 9, and the trans,cis-diene 13 from 12. When a cis double bond is produced, it is selectively placed adjacent to the carbon atom that originally carried the hydroxy group. E2′ Reactions with silyl as the electrofugal group and acetate as the nucleofugal group, initiated by fluoride ion, are not stereospecific, but can be highly stereoselective in favour of the trans,trans-diene 8 when the carbon substituent at the silicon-bearing end is a cyclohexyl group and the double bond is cis, and in favour of the trans,cis-diene 13 when the carbon substituent at the silicon-bearing end is a methyl group and the double bond is trans. Attempts to use the Peterson reactions to make o-quinodimethanes stereospecifically failed, with no evidence of 1,4-elimination from the alcohols 40 and 41. The corresponding E2′ reaction from the esters using fluoride ion on the acetates or formates 46 and 47 gave stereoselectively the E,E-quinodimethane 48.
Synthesis of allenes via Nickel-catalyzed cross-coupling reaction of propargylic bromides with grignard reagents
Li, Qinghan,Gau, Hanmou
experimental part, p. 747 - 750 (2012/06/29)
We describe a convenient method for the synthesis of terminal allenes from cross-coupling of propargylic bromide with Grignard reagent. The reaction of propargylic bromide with 1.2 equivalents of Grignard reagent mediated by Ni(acac)2 (2 mol%) and Ph3P (4 mol%) in THF may produce terminal allenes in good yields and high regioselectivities at room temperature. Georg Thieme Verlag Stuttgart · New York.
Conversion of alkyl- and arylallenes into 1-alkynes through metallated intermediates
, p. 4035 - 4040 (2007/10/03)
A number of acetylenes RCH2C≡CH have been obtained by metallation of the allenes RCH=C=CH2 or mixtures of acetylenes and allenes with n-BuLi in THF-hexane and hydrolysis after allowing the metallated allenes to rearrange at roam temperature or by heating under reflux.
Cyclohexane,2-propyn-1-yl- Synthetic route And Reaction conditions
Withbis(acetylacetonate)nickel(II); triphenylphosphine;Intetrahydrofuran;at 20 ℃; regioselective reaction; Inert atmosphere;
Multi-step reaction with 2 steps
1: 80 percent / CuBr, LiBr / tetrahydrofuran; diethyl ether / -60 - 20 °C
2: 90 percent / n-BuLi / tetrahydrofuran; hexane / 1.) -60 deg C, 15 min, 2.) reflux, 5 h
Withcopper(l) chloride;Indiethyl ether;
Multistep reaction; (i) Mg, (ii) /BRN= 878169/, (iii) NaNH2;
Multistep reaction; (i) , (ii) NaNH2, liq. NH3;
Withcopper(l) iodide; sodium cyanide; water; ammonium chloride;Yield given. Multistep reaction; 1.) Et2O, 20-30 deg C, 30 min, 2.) Et2O, 40 min;
Withpetroleum; sodium amide; at 150 - 155 ℃; Zersetzen des Reaktionsprodukts mit Eis;
Withn-butyllithium;Intetrahydrofuran; hexane;1.) -60 deg C, 15 min, 2.) reflux, 5 h;
Cyclohexane,2-propyn-1-yl- Raw materials
Cyclohexane,2-propyn-1-yl- Target Products
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