2-(cyclopropylmethoxy)-3-methoxybenzaldehyde

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A stirred suspension of Step 2 intermediate (1.0 g, 2.00 mmol) in dry DMSO (12 ml) was treated with NaH (89 mg, 2.240 mmol) and 2-(cyclopropylmethoxy)-3-methoxybenzaldehyde (462 mg, 2.240 mmol) according to the procedure described in Step 3, Intermediate 2 to yield a crude solid which was purified by column chromatography using 2% ethyl acetate in DCM to afford 600 mg of the desired compound as an off-white solid: 1H NMR (300 MHz, DMSO-d6) δ 0.32-0.35 (m, 2H), 0.54-0.58 (m, 2H), 1.15-1.21 (m, 1H), 2.26 (s, 3H), 2.59 (s, 3H), 3.73-3.75 (m, 2H), 3.79 (s, 3H), 6.13 (s, 1H), 6.99-7.00 (m, 3H), 7.29-7.31 (m, 1H), 8.03 (d, J=16.2 Hz, 1H). to yield a crude solid which was purified by column chromatography

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A stirred suspension of Step 2 intermediate (1.0 g, 2.096 mmol) in dry DMSO (12 ml) was treated with NaH (92 mg, 2.306 mmol) and 2-(cyclopropylmethoxy)-3-methoxybenzaldehyde (475 mg, 2.306 mmol) according to the procedure described in Step 3, Intermediate 2 to yield a crude solid which was purified by column chromatography using 2% ethyl acetate in DCM to afford 260 mg of the desired compound as an off-white solid; 1H NMR (300 MHz, DMSO-d6) δ 0.31-0.32 (m, 2H), 0.53-0.55 (m, 2H), 1.18-1.22 (m, 1H), 2.66 (s, 3H), 3.73-3.76 (m, 2H), 3.79 (s, 3H), 6.15 (s, 1H), 6.97-7.13 (m, 4H), 7.30-7.33 (m, 1H), 8.07 (d, J=16.2 Hz 1H); ESI-MS (m/z) 369.26 (M+H)+. to yield a crude solid which was purified by column chromatography

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A stirred suspension of Step 2 intermediate (1.0 g, 2.096 mmol) in dry DMSO (12 ml) was treated with NaH (92 mg, 2.306 mmol) and 2-(cyclopropylmethoxy)-3-methoxybenzaldehyde (475 mg, 2.306 mmol) according to the procedure described in Step 3, Intermediate 2 to yield a crude solid which was purified by column chromatography using 2% ethyl acetate in DCM to afford the 600 mg of the desired compound as an off-white solid; 1H NMR (300 MHz, DMSO-d6) δ 0.31-0.32 (m, 2H), 0.53-0.55 (m, 2H), 0.84-0.86 (s, 1H), 2.42 (s, 1H), 3.74-3.76 (m, 2H), 3.79 (s, 3H), 6.25 (s, 1H), 7.00-7.16 (m, 2H), 7.31-7.33 (m, 1H), 7.80 (s, 1H), 8.06-8.11 (m, 1H); ESI-MS (m/z) 369.24 (M+H)+. to yield a crude solid which was purified by column chromatography

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred suspension of Step 2 intermediate (13.0 g, 28.08) was added NaH (1.2 g, 30.88) in dry DMSO (75 ml) and stirred for 0.5 h. A solution of 2-(cyclopropylmethoxy)-3-methoxybenzaldehyde (6.3 g, 30.88 mmol) in DMSO was added dropwise to this solution at room temperature and stirred for 2 h. The reaction mixture was diluted with ethyl acetate, washed with water and brine, dried over anhydrous Na2SO4 to yield a crude solid which was purified by column chromatography using 10% ethyl acetate in DCM to afford 7.5 g of the desired compound as a white solid: 1H NMR (300 MHz, DMSO-d6) δ 0.30-0.33 (m, 2H), 0.52-057 (m, 2H), 1.10-1.20 (br m, 1H), 3.72-3.90 (m, 5H), 6.29 (s, 1H), 7.00-7.11 (m, 3H), 7.34 (d, J=6.3 Hz, 1H), 7.44-7.50 (m, 1H), 7.90-8.00 (m, 1H), 8.14 (d, J=6.2 Hz, 1H); ESI-MS (m/z) 355.17 (M+H)+. stirred for 2 h washed with water and brine dried over anhydrous Na2SO4 to yield a crude solid which was purified by column chromatography