methyl 5-(bromomethyl)-2-phenylbenzoate

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

Procedure: [[2'-(methoxycarbonyl)(1,1'-biphenyl)-4-yl]-methyl]zinc bromide was prepared in advance from 400 mg of zinc in 1 ml of tetrahydrofuran and 1.53 g of methyl 4-(bromomethyl)(1,1'-biphenyl)-2-carboxylate (KNOCHEL, J. Org. Chem., 1988, Vo. 53, p. 5789 to 5791) and 240.69 mg of 4-chloro-2-phenyl-quinazoline and 115 mg of palladium tetrakis(triphenyl-phosphine) complex were added to the solution. The mixture stood at 50° C. for 6 hours and the reaction medium was poured into a water/ice/acetic acid mixture. The aqueous phase was extracted with ethyl acetate and the organic phase was washed with water and water saturated with sodium chloride, dried and evaporated. After chromatography on silica (eluant:ethyl acetate-hexane 1-9 then 2-8), 260 mg of expected product melting at 120° C. to 121° C. after crystallization from isopropyl ether were obtained. were added to the solution The aqueous phase was extracted with ethyl acetate the organic phase was washed with water and water saturated with sodium chloride dried evaporated After chromatography on silica (eluant:ethyl acetate-hexane 1-9 then 2-8), 260 mg of expected product melting at 120° C. to 121° C. after crystallization from isopropyl ether were obtained

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

Procedure: 475 mg of electrolytic zinc, 275 mg of tetrakis (triphenylphosphine) palladium, 2.08 g of methyl 4-(bromomethyl)-1,1-biphenyl-2-carboxylate (prepared in EP 0,025,331)) were introduced into 13 ml of tetrahydrofuran. 503 mg of 3-butyl-4-chloro quinoline of Step F were introduced and the mixture was stirred for 15 hours in an ultrasonic bath, allowing the temperature to rise to 65° C. 50 ml of 0.1N hydrochloric acid were added and extraction was carried out with ethyl acetate. The extracts were washed with a saturated solution of sodium chloride, dried and evaporated to dryness. After chromatography on silica (eluant: choloroform-hexane-ethyl acetate 100-100-10), 624 mg of the expected product were obtained. to rise to 65° C extraction The extracts were washed with a saturated solution of sodium chloride dried evaporated to dryness

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

Procedure: [[2'-(methoxycarbonyl)(1,1'-biphenyl)-4-yl]-methyl] zinc bromide was prepared in advance from 400 mg of zinc in 1 ml of tetrahydrofuran and 1.53 g of methyl 4-(bromomethyl)(1,1'-biphenyl)-2-carboxylate (KNOCHEL, J. Org. Chem., 1988, Vo. 53, p. 5789 to 5791) and 240.69 mg of 4-chloro-2-phenyl-quinazoline and 115 mg of palladium tetrakis(triphenyl-phosphine) complex were added to the solution. The mixture stood at 50° C. for 6 hours and the reaction medium was poured into a water/ice/acetic acid mixture. The aqueous phase was extracted with ethyl acetate and the organic phase was washed with water and water saturated with sodium chloride, dried and evaporated. After chromatography on silica (eluant: ethyl acetate-hexane 1-9 then 2-8), 260 mg of expected product melting at 120° C. to 121° C. after crystallization from isopropyl ether were obtained. were added to the solution The aqueous phase was extracted with ethyl acetate the organic phase was washed with water and water saturated with sodium chloride dried evaporated After chromatography on silica (eluant: ethyl acetate-hexane 1-9 then 2-8), 260 mg of expected product melting at 120° C. to 121° C. after crystallization from isopropyl ether were obtained

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

Procedure: [[2'-(methoxycarbonyl)(1,1'-biphenyl)-4-yl]-methyl] zinc bromide was prepared in advance from 400 mg of zinc in 1 ml of tetrahydrofuran and 1.53 g of methyl 4-(bromomethyl)(1,1'-biphenyl)-2-carboxylate (KNOCHEL, J. Org. Chem., 1988, Vo. 53, p. 5789 to 5791) and 240.69 mg of 4-chloro-2-phenyl-quinazoline and 115 mg of palladium tetrakis(triphenyl-phosphine) complex were added to the solution. The mixture stood at 50° C. for 6 hours and the reaction medium was poured into a water/ice/acetic acid mixture. The aqueous phase was extracted with ethyl acetate and the organic phase was washed with water and water saturated with sodium chloride, dried and evaporated. After chromatography on silica (eluant: ethyl acetate-hexane 1-9 then 2-8), 260 mg of expected product melting at 120° C. to 121° C. after crystallization from isopropyl ether were obtained. were added to the solution The aqueous phase was extracted with ethyl acetate the organic phase was washed with water and water saturated with sodium chloride dried evaporated After chromatography on silica (eluant: ethyl acetate-hexane 1-9 then 2-8), 260 mg of expected product melting at 120° C. to 121° C. after crystallization from isopropyl ether were obtained

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

Procedure: 475 mg of electrolytic zinc, 275 mg of tetrakis (triphenylphosphine) palladium, 2.08 g of methyl 4-(bromomethyl)-1,1-biphenyl -2-carboxylate (prepared in EP 0,025,331)) were introduced into 13 ml of tetrahydrofuran. 503 mg of 3-butyl-4-chloro quinoline of Step F were introduced and the mixture was stirred for 15 hours in an ultrasonic bath, allowing the temperature to rise to 65° C. 50 ml of 0.1N hydrochloric acid were added and extraction was carried out with ethyl acetate. The extracts were washed with a saturated solution of sodium chloride, dried and evaporated to dryness. After chromatography on silica (eluant: chloroform-hexane-ethyl acetate 100-100-10), 624 mg of the expected product were obtained. to rise to 65° C extraction The extracts were washed with a saturated solution of sodium chloride dried evaporated to dryness

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

Procedure: 475 mg of electrolytic zinc, 275 mg of tetrakis (triphenylphosphine) palladium, 2.08 g of methyl 4-(bromomethyl)-1,1-biphenyl -2-carboxylate (prepared in EP 0,025,331)) were introduced into 13 ml of tetrahydrofuran. 503 mg of 3-butyl-4-chloro quinoline of Step F were introduced and the mixture was stirred for 15 hours in an ultrasonic bath, allowing the temperature to rise to 65° C. 50 ml of 0.1N hydrochloric acid were added and extraction was carried out with ethyl acetate. The extracts were washed with a saturated solution of sodium chloride, dried and evaporated to dryness. After chromatography on silica (eluant: chloroform-hexane-ethyl acetate 100-100-10), 624 mg of the expected product were obtained. to rise to 65° C extraction The extracts were washed with a saturated solution of sodium chloride dried evaporated to dryness

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

Procedure: [[2'-(methoxycarbonyl)(1,1'-biphenyl)-4-yl]-methyl]zinc bromide was prepared in advance from 400 mg of zinc in 1 ml of tetrahydrofuran and 1.53 g of methyl 4-(bromomethyl)(1,1'-biphenyl)-2-carboxylate (KNOCHEL, J. Org. Chem., 1988, Vo. 53, p. 5789 to 5791) and 240.69 mg of 4-chloro-2-phenyl-quinazoline and 115 mg of palladium tetrakis(triphenyl-phosphine) complex were added to the solution. The mixture stood at 50° C. for 6 hours and the reaction medium was poured into a water/ice/acetic acid mixture. The aqueous phase was extracted with ethyl acetate and the organic phase was washed with water and water saturated with sodium chloride, dried and evaporated. After chromatography on silica (eluant:ethyl acetate-hexane 1-9 then 2-8), 260 mg of expected product melting at 120° C. to 121° C. after crystallization from isopropyl ether were obtained. were added to the solution The aqueous phase was extracted with ethyl acetate the organic phase was washed with water and water saturated with sodium chloride dried evaporated After chromatography on silica (eluant:ethyl acetate-hexane 1-9 then 2-8), 260 mg of expected product melting at 120° C. to 121° C. after crystallization from isopropyl ether were obtained

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

Procedure: [[2'-(methoxycarbonyl)(1,1'-biphenyl)-4-yl]-methyl]zinc bromide was prepared in advance from 400 mg of zinc in 1 ml of tetrahydrofuran and 1.53 g of methyl 4-(bromomethyl)(1,1'-biphenyl)-2-carboxylate (KNOCHEL, J. Org. Chem., 1988, Vo. 53, p. 5789 to 5791) and 240.69 mg of 4-chloro-2-phenyl-quinazoline and 115 mg of palladium tetrakis(triphenyl-phosphine) complex were added to the solution. The mixture stood at 50° C. for 6 hours and the reaction medium was poured into a water/ice/acetic acid mixture. The aqueous phase was extracted with ethyl acetate and the organic phase was washed with water and water saturated with sodium chloride, dried and evaporated. After chromatography on silica (eluant:ethyl acetate-hexane 1-9 then 2-8), 260 mg of expected product melting at 120° C. to 121° C. after crystallization from isopropyl ether were obtained. were added to the solution The aqueous phase was extracted with ethyl acetate the organic phase was washed with water and water saturated with sodium chloride dried evaporated After chromatography on silica (eluant:ethyl acetate-hexane 1-9 then 2-8), 260 mg of expected product melting at 120° C. to 121° C. after crystallization from isopropyl ether were obtained

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

Procedure: 475 mg of electrolytic zinc, 275 mg of tetrakis (triphenylphosphine) palladium, 2.08 g of methyl 4-(bromomethyl)-1,1-biphenyl-2-carboxylate (prepared in EP 0,025,331)) were introduced into 13 ml of tetrahydrofuran. 503 mg of 3-butyl-4-chloro quinoline of Step F were introduced and the mixture was stirred for 15 hours in an ultrasonic bath, allowing the temperature to rise to 65° C. 50 ml of 0.1N hydrochloric acid were added and extraction was carried out with ethyl acetate. The extracts were washed with a saturated solution of sodium chloride, dried and evaporated to dryness. After chromatography on silica (eluant: choloroform-hexane-ethyl acetate 100-100-10), 624 mg of the expected product were obtained. to rise to 65° C extraction The extracts were washed with a saturated solution of sodium chloride dried evaporated to dryness

Conditions: temp:27.51; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 50 gm of [1H-Benzimidazole-2-n-propyl-4-methyl-6-(1′-methyl benzimidazole-2′-yl)] was added to 200 ml dimethyl sulfoxide and 50 gm of sodium hydroxide. To this was added 60 gm of methyl-4-(bromomethyl)biphenyl-2-carboxylate at ambient temperature. The contents were stirred for 2 hours at 25-30° C. and then heated to 40-50 and maintained for 2 hours. About 500 ml water was added to the reaction mixture and acidified with acetic acid to pH 4.2, extract4ed twice with 250 ml of dichloromethane and the combined extracts were concentrated and isolated by filtration after addition of 300 ml acetone, dried under reduced pressure at 50-60° C. to give 75.0 gm (80%) of the title compound. heated to 40-50 maintained for 2 hours the combined extracts were concentrated isolated by filtration dried under reduced pressure at 50-60° C.

Conditions: temp:27.51; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 50 gm of [1H-Benzimidazole-2-n-propyl-4-methyl-6-(1′methyl benzimidazole-2′-yl)] was added to 200 ml dimethyl sulfoxide and 50 gm of potassium hydroxide. To this was added 60 gm of methyl-4-(bromomethyl)biphenyl-2-carboxylate at ambient temperature. The contents were stirred for 2 hours at 25-30° C., then heated to 40-50° C. and maintained for 2 hours. About 500 ml water was added to the reaction mixture at room temperature and acidified to pH 4 with acetic acid. The reaction mixture was filtered and washed with purified water, dried under reduced pressure at 50-60° C. to give 80 gm (88%) of the title product. heated to 40-50° C. maintained for 2 hours The reaction mixture was filtered washed with purified water dried under reduced pressure at 50-60° C.

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

Procedure: [[2'-(methoxycarbonyl)(1,1'-biphenyl)-4-yl]-methyl] zinc bromide was prepared in advance from 400 mg of zinc in 1 ml of tetrahydrofuran and 1.53 g of methyl 4-(bromomethyl)(1,1'-biphenyl)-2-carboxylate (KNOCHEL, J. Org. Chem., 1988, Vo. 53, p. 5789 to 5791) and 240.69 mg of 4-chloro-2-phenyl-quinazoline and 115 mg of palladium tetrakis(triphenyl-phosphine) complex were added to the solution. The mixture stood at 50° C. for 6 hours and the reaction medium was poured into a water/ice/acetic acid mixture. The aqueous phase was extracted with ethyl acetate and the organic phase was washed with water and water saturated with sodium chloride, dried and evaporated. After chromatography on silica (eluant: ethyl acetate-hexane 1-9 then 2-8), 260 mg of expected product melting at 120° C. to 121° C. after crystallization from isopropyl ether were obtained. were added to the solution The aqueous phase was extracted with ethyl acetate the organic phase was washed with water and water saturated with sodium chloride dried evaporated After chromatography on silica (eluant: ethyl acetate-hexane 1-9 then 2-8), 260 mg of expected product melting at 120° C. to 121° C. after crystallization from isopropyl ether were obtained