1-(Trimethylsilyl)-1-pentyne

The cas register number of 1-(Trimethylsilyl)-1-pentyne is 18270-17-2. It also can be called as Silane,trimethyl-1-pentyn-1-yl- and the Systematic name about this chemical is trimethyl(pent-1-yn-1-yl)silane .

Physical properties about 1-(Trimethylsilyl)-1-pentyne are: (1)ACD/LogP: 3.76; (2)ACD/LogD (pH 5.5): 3.76; (3)ACD/LogD (pH 7.4): 3.76; (4)ACD/BCF (pH 5.5): 427.28; (5)ACD/BCF (pH 7.4): 427.28; (6)ACD/KOC (pH 5.5): 2658.69; (7)ACD/KOC (pH 7.4): 2658.69; (8)#Freely Rotating Bonds: 2; (9)Index of Refraction: 1.423; (10) Molar Refractivity: 45.83 cm³; (11)Molar Volume: 179.6 cm³; (12)Polarizability: 18.17x10^-24cm³; (13)Surface Tension: 21.7 dyne/cm; (14)Enthalpy of Vaporization: 35.71 kJ/mol; (15)Boiling Point: 135 °C at 760 mmHg; (16)Vapour Pressure: 9.73 mmHg at 25°C.

Preparation: this chemical can be prepared by chloro-trimethyl-silane and 1-chloro-pent-1-yne. This reaction will need reagent sodium and solvent diethyl ether. The reaction time is 5 min at Heating. The yield is about 51%.

Uses of 1-(Trimethylsilyl)-1-pentyne: it can be used to produce 1-(4-chloro-phenyl)-2-trimethylsilanyl-hex-2-en-1-one with 4-chloro-benzoyl chloride  at temperature of 20//35 ℃. This reaction is a kind of Metallation//Hydrozirconation//Acylation//Transmetallation. It will need reagent Cp₂Zr(H)Cl, CuBr*SMe₂ and solvent CH₂Cl₂, CH₂Cl₂ with reaction time of 30 min//20 min. The yield is about 85 %.

When you are using this chemical, please be cautious about it as the following:
This chemical is flammable and it is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: C(#C[Si](C)(C)C)CCC
(2)InChI: InChI=1/C8H16Si/c1-5-6-7-8-9(2,3)4/h5-6H2,1-4H3
(3)InChIKey: CABCDUQQPBAHEE-UHFFFAOYAS
(4)Std. InChI: InChI=1S/C8H16Si/c1-5-6-7-8-9(2,3)4/h5-6H2,1-4H3
(5)Std. InChIKey: CABCDUQQPBAHEE-UHFFFAOYSA-N