Sentence examples for m in hexane from inspiring English sources

To a solution of freshly distilled diisopropylamine (14 mL, 0.12 mol) in 100 mL dry THF at −78 °C was added n-BuLi (50 mL of 2 M in hexane, 0.1 mol) and stirred for 15 min.

The resulting yellow solution was stirred for 15 min. Then a solution of Et2Zn (1 m in hexane, 2 mL, 2 mmol) was added by using a syringe, followed by TMEDA (0.30 mL, 2 mmol).

These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via http://www.ccdc.cam.ac.uk/data_request/cif. Synthesis of [ TMEDA LiZn cis- DMP Et 2] (1): A solution of nBuLi (1.6 m in hexane, 1.25 mL, 2 mmol) and cis-DMP(H) (0.27 mL, 2 mmol) were added to dry hexane (5 mL).

Indium III) chloride (anhydrous, 99.999%), selenium (99.99%), and tri- n-octylphosphine (TOP, 97%) were purchased from Strem; copper(I) chloride (anhydrous, ≥99.99%), diethylzinc (1 M in hexane), sulfur (99.5%), oleic acid (techn. 90%), toluene (99.7%), ethanol (99.9%), and methanol (99.9%) from Sigma Aldrich; lithium bis trimethylsilyl)amide (LiN(SiMe3)2, 95%) and oleylamine (80 90%) from Acros.

General Procedure B for in situ formation of 1 in THF solution: For each 1 mmol of 1 prepared, cis-DMP(H) (0.14 mL, 1 mmol) was added to a solution of nBuLi (1.6 m in hexane, 0.625 mL, 1 mmol).

After this, a solution of BuLi (0.1 mL, 1 equiv, 1.6 m in hexane) was added dropwise to the reaction mixture and stirred for 30 min. Subsequently, a solution of ketone 19 (0.047 g, 0.18 mmol) in THF (1 mL) was added dropwise and the reaction mixture was stirred for 1 h at −50 °C.

Method A (compounds 3, 5, 9– 17, 17): 11 nBuLi (1.6  m in hexanes, 4 eq) was added to a solution of the corresponding heteroaromatic compound (4 eq) in anhyd THF (10 mL) at −78 °C and stirred for 1 h.

2-Bromohex-5-enoyl Chloride (18): A stirred solution of diisopropylamine (1.80 mL, 12.8 mmol) in THF (22 mL) was cooled to 0 °C and then treated dropwise with n-butyllithium (2.5 M in hexanes, 5.10 mL, 12.8 mmol).

nBuLi (0.41 mL, 1.02 mmol, 2.5 m in hexanes) was added, and the resulting green solution was stirred at this temperature for 1 h and then warmed to room temperature upon which it turned red and left overnight.

nBuLi (0.50 mL, 1.25 mmol, 2.5 m in hexanes) was added, and the resulting red solution was stirred at this temperature for 1 h and then warmed to room temperature and left overnight.

3-Bromotetrahydro-2 H -pyran-2-one (17): A stirred sofution of diisopropylamine (1.7 mL, 12 mmol) in THF (10 mL) was cooled to 0 °C and treated dropwise with n-butyllithium (2.5 M in hexanes, 4.4 mL, 11 mmol), stirred for 15 min and then cooled to –78 °C.