氯化钾

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: Chemiluminescence of P450 altered coelenterazine or coelenterazine derivatives was determined immediately following addition of 80 microliter of 37.5 mM Hepes pH7.4; 625 mM KCl; 0.125 mM EDTA pH 8.0; 0.25% Triton X-100; 0.125% Mazu; 1.25% Glycerol; 0.25 mg/mL gelatin to the P450 reactions. Renilla luciferase (1.2 ng/mL) (purchased from Chemicon) was added for detection of bioluminescence of P450 altered coelenterazine or coelenterazine derivatives.

反应条件: temp:30.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: The above organic solution of 4,4-dimethoxydihydro-2H-pyran-3(4H)-one was extracted 3× with phosphate buffered water (0.55 L). To the combined aqueous extracts was added D-glucose (180 g, 100 mmol), and the solution was heated to 30° C. When the solution exceeded 27° C. upon heating B-NADP+ (1.60 g, 499 mmol) GDH-103 (1.60 g, 499 mmol) and KRED-130 (1.60 g, 499 mmol) were added and the mixture was stirred for 17 h at 30° C. Potassium chloride (200 g, 2.68 mol) and acetonitrile (1.3 L) were added. After 30 min, the reaction mixture was transferred to 6 L sep funnel and additional MeCN (0.67 L) and toluene (0.87 L) were added. The aqueous layer was back extracted 1× with a mixture of acetonitrile (1.95 L) and toluene (0.65 L), and 1× with acetonitrile (1.5 L). The combined organic extracts were concentrated in vacuo to provide (3S)-4,4-dimethoxytetrahydro-2H-pyran-3-ol. The above organic solution of 4,4-dimethoxydihydro-2H-pyran-3(4H)-one was extracted 3× with phosphate exceeded 27° C. KRED-130 (1.60 g, 499 mmol) were added After 30 min the reaction mixture was transferred to 6 L sep funnel The aqueous layer was back extracted 1× with a mixture of acetonitrile (1.95 L) and toluene (0.65 L), and 1× with acetonitrile (1.5 L) The combined organic extracts were concentrated in vacuo

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: In 10.0 mM 2-morpholinoethanesulfonic acid (MES) buffer, 17.6 mM MgCl2, 17.6 mM KCl, 175.7 mM phosphoenolpyruvic acid (PEP), 17.6 mM ATP, 123 U/mL pyruvate kinase (PK), 97 U/mL hexokinase, and 20 U/mL ascorbic acid oxidase were dissolved in this composition, and the pH was adjusted to 7.0 to obtain a glucose converting reagent.

反应条件: temp:30.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: The above organic solution of 4,4-dimethoxydihydro-2H-pyran-3(4H)-one was extracted 3× with phosphate buffered water (0.55 L). To the combined aqueous extracts was added D-glucose (180 g, 100 mmol), and the solution was heated to 30° C. When the solution exceeded 27° C. upon heating B-NADP+(1.60 g, 499 mmol), GDH-103 (1.60 g, 499 mmol), and KRED-130 (1.60 g, 499 mmol) were added and the mixture was stirred for 17 h at 30° C. Potassium chloride (200 g, 2.68 mol) and acetonitrile (1.3 L) were added. After 30 min, the reaction mixture was transferred to 6 L sep funnel and additional MeCN (0.67 L) and toluene (0.87 L) were added. The aqueous layer was back extracted 1× with a mixture of acetonitrile (1.95 L) and toluene (0.65 L), and 1× with acetonitrile (1.5 L). The combined organic extracts were concentrated in vacuo to provide (3S)-4,4-dimethoxytetrahydro-2H-pyran-3-ol. The above organic solution of 4,4-dimethoxydihydro-2H-pyran-3(4H)-one was extracted 3× with phosphate exceeded 27° C. KRED-130 (1.60 g, 499 mmol) were added After 30 min the reaction mixture was transferred to 6 L sep funnel The aqueous layer was back extracted 1× with a mixture of acetonitrile (1.95 L) and toluene (0.65 L), and 1× with acetonitrile (1.5 L) The combined organic extracts were concentrated in vacuo

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 78.5 g (0.80 mol) of potassium acetate, 5.0 g (0.08 mol) of acetic acid, and 123.7 g (0.80 mol) of 2-chloroacetophenone were heated under reflux in 500 mL of ethanol for 6 hours. After completion of heating, the reaction mixture was cooled to room temperature, deposited potassium chloride was filtered off, and the ethanol was distilled off in vacuo to obtain a pale brown oily material. This oily material was poured into one litter of water, and a precipitated solid was collected by filtration and recrystallized from methanol to obtain 113.1 g (yield: 79.3%) of 2-acetoxyacetophenone as a pale yellow solid. After completion of heating was filtered off the ethanol was distilled off in vacuo to obtain a pale brown oily material a precipitated solid was collected by filtration recrystallized from methanol

反应条件: temp:57.51; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: In a 50 mL volume glass flask equipped with a stirrer, a thermometer, a dropping funnel and a reflux condenser were placed 1.02 g (5.49 mmol) of methyl 4-hydroxy-3-methoxybenzoate (purity: 98 wt. %), 2.12 g (13.2 mmol) of 3-bromo-1-chloropropane (purity: 98 wt. %), 1.16 g (8.24 mmol) of potassium carbonate (purity: 98 wt. %), 1.02 g (13.7 mmol) of potassium chloride, and 10 mL of acetone. The resulting mixture was refluxed under stirring at 55-60° C. in an argon gas atmosphere for 10 hours. After the reaction was complete, the reaction mixture was filtered. Analysis of the filtrate by high performance liquid chromatography (absolute quantitative analysis) indicated that 1.39 g (reaction yield: 98.2%) of methyl 4-(3-chloropropoxy)-3-methoxybenzoate was produced. In a 50 mL volume glass flask equipped with a stirrer The resulting mixture was refluxed the reaction mixture was filtered

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A mixture of 2.0 g of 1-[(4-butylphenyl)methyl]-3-(4-chloro-2-methylphenyl)-1-[6-[(methylsulfonyl)oxy]hexyl]urea, 0.74 g of potassium chloride, and 3.0 ml of dimethyl sulfoxide was heated at an oil bath temperature of 60°-80° C. for 16 hours. The mixture was diluted with water and extracted with dichloromethane. The organic layer was washed with three 40 ml portions of brine, dried over anhydrous magnesium sulfate and filtered. The filtrate was evaporated in vacuo to yield 1.5 g of a brown oil. The oil was purified by chromatography to yield 1.5 g of the desired product as a light yellow oil in 86% yield. was heated at an oil bath temperature of 60°-80° C. for 16 hours extracted with dichloromethane The organic layer was washed with three 40 ml portions of brine dried over anhydrous magnesium sulfate filtered The filtrate was evaporated in vacuo

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A mixture of 1.9 g of 1-[(4-butylphenyl)methyl]-1-[6-[(methylsulfonyl)oxy]hexyl]-3-(2,4,6-trichlorophenyl)urea, 0.6 g of potassium chloride, and 3.0 ml of dried dimethyl sulfoxide was heated at an oil bath temperature of 60°-70° C. for 20 hours. The extraction and chromatography procedures of Example 521 were followed to give 1.1 g of the desired product as a colorless oil. was heated at an oil bath temperature of 60°-70° C. for 20 hours The extraction and chromatography procedures of Example 521

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a stirred and ice-cooled solution of ethyl acetoacetate (292 g) in glacial acetic acid (296 ml) was added a solution of sodium nitrite (180 g) in water (400 ml) at such a rate that the reaction temperature was maintained below 10° C. Stirring and cooling were continued for about 30 min, when a solution of potassium chloride (160 g) in water (800 ml) was added. The resulting mixture was stirred for one hour. The lower oily phase was separated and the aqueous phase was extracted with diethyl ether. The extract was combined with the oil, washed successively with water and saturated brine, dried, and evaporated. The residual oil, which solidified on standing, was washed with petrol and dried in vacuo over potassium hydroxide, giving ethyl (Z)-2-(hydroxyimino)-3-oxobutyrate (309 g). was maintained below 10° C Stirring cooling The resulting mixture was stirred for one hour The lower oily phase was separated the aqueous phase was extracted with diethyl ether washed successively with water and saturated brine dried evaporated was washed with petrol dried in vacuo over potassium hydroxide

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: Geotrichum candidum (ATCC 34614) was cultured according to the method of Buisson and Azerad (Tet. Lett. 27, 2631-2634 (1986), herein incorporated by reference) in one liter of a medium of glucose (30 grams), KH2PO4 (1 gram), K2HPO4 (2 grams), corn steep liquor (10 grams) MgSO4.7H20 (0.5 gram), NaNO3 (2 grams), FeSO4.7H20 (0.02 gram), and KCl (0.5 gram) with rotary shaking at 25° C. Two grams of 2-ethyl-3-ketobutyramide was dissolved in 2 ml of 95% ethanol, the resulting solution was added to the culture, and shaking was resumed. The reaction was followed by TLC (staining with anisaldehyde) to monitor the consumption of starting material and the production of product alcohol. After 48-72 hours the reaction was judged complete, and the reaction was terminated by removing from the shaker and adding 20-30 grams of Celite. The resulting suspension was suction filtered through a pad of Celite and the clear yellow filtrate was extracted with ethyl acetate (4×200 ml). The extracts were combined, dried over MgSO4, filtered, and rotary evaporated to leave 1 gram of (2S,3S)-2 ethyl-3-hydroxybutyramide as a yellowish solid. the resulting solution was added to the culture the consumption of starting material the reaction was terminated by removing from the shaker adding 20-30 grams of Celite filtered through a pad of Celite the clear yellow filtrate was extracted with ethyl acetate (4×200 ml) dried over MgSO4 filtered rotary evaporated

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: Geotrichum candidum (ATCC 34614) was cultured according to the method of Buisson and Azerad (Tet. Lett. 27, 2631-2634 (1986), herein incorporated by reference) in one liter of a medium of glucose (30 grams), KH2PO4 (1 gram), K2HPO4 (2 grams), corn steep liquor (10 grams) MgSO4.7H20 (0.5 gram), NaNO3 (2 grams), FeSO4.7H20 (0.02 gram), and KCl (0.5 gram) with rotary shaking at 25° C. Two grams of ethyl 2-oxocyclohexanecarboxylate was dissolved in 2 ml of 95% ethanol, the resulting solution was added to the culture, and shaking was resumed. The reaction was followed by TLC (staining with anisaldehyde) to monitor the consumption of starting material and the production of product alcohol. After approximately 48 hours the reaction was judged complete, and the reaction was terminated by removing from the shaker and adding 20-30 grams of Celite. The resulting suspension was suction filtered through a pad of Celite and the clear yellow filtrate was extracted with ethyl acetate (4×200 ml). The extracts were combined, dried over MgSO4, filtered, and rotary evaporated to leave 1.4 grams of (1S,2S)-ethyl 2-hydroxycyclohexanecarboxylate as a yellow oil. The chiral purity of the product was greater than 99% as judged by chiral chromatography. the resulting solution was added to the culture the consumption of starting material the reaction was terminated by removing from the shaker adding 20-30 grams of Celite filtered through a pad of Celite the clear yellow filtrate was extracted with ethyl acetate (4×200 ml) dried over MgSO4 filtered rotary evaporated

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: reacting potassium chloride with phosphoric acid in a molar feed ratio of phosphorus to potassium in the range of at least about 1.3:1 at a temperature of about 130° C. to about 200° C. to produce potassium phosphate and by-product hydrogen chloride, at a temperature of about 130° C. to about 200° C.