[ CAS No. 3238-55-9 ] {[proInfo.proName]}

Name: 3238-55-9|2-Propionylpyridine|97%
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COA NMR CNMR HPLC LC-MS

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CAS No. :	3238-55-9	MDL No. :	MFCD00023486
Formula :	C₈H₉NO	Boiling Point :	-
Linear Structure Formula :	-	InChI Key :	ZHAZHKPVEROFLH-UHFFFAOYSA-N
M.W :	135.16	Pubchem ID :	520574
Synonyms :

Safety of [ 3238-55-9 ]

Signal Word:	Warning	Class:	N/A
Precautionary Statements:	P305+P351+P338	UN#:	N/A
Hazard Statements:	H302-H319	Packing Group:	N/A
GHS Pictogram:

Application In Synthesis of [ 3238-55-9 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

Upstream synthesis route of [ 3238-55-9 ]
Downstream synthetic route of [ 3238-55-9 ]

[ 3238-55-9 ] Synthesis Path-Upstream 1~1

1
[ 3238-55-9 ]
[ 1452-63-7 ]

Reference： [1] New Journal of Chemistry, 2015, vol. 39, # 12, p. 9535 - 9542

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Purity	Size	Price	VIP Price	USA Stock *0-1 Day	Global Stock *5-7 Days	Quantity
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Yield	Reaction Conditions	Operation in experiment
97%	With diethyl ether at -20 - 20℃; for 4h;
85%	In diethyl ether for 1h; Heating;
85%	Stage #1: 2-Cyanopyridine; ethylmagnesium bromide In diethyl ether at -15 - 20℃; for 3h; Inert atmosphere; Stage #2: With hydrogenchloride In diethyl ether; water at 20℃; for 0.25h; Inert atmosphere;

82%	Stage #1: 2-Cyanopyridine; ethylmagnesium bromide In tetrahydrofuran; diethyl ether at -15 - 20℃; for 5h; Inert atmosphere; Stage #2: With hydrogenchloride In tetrahydrofuran; water; ethylene glycol at 20℃; for 0.5h; Inert atmosphere; Schlenk technique;
76%	Stage #1: 2-Cyanopyridine; ethylmagnesium bromide In diethyl ether at -15 - 20℃; for 3h; Stage #2: With hydrogenchloride; water In diethyl ether at 20℃; for 0.25h;
57%	In methanol; diethyl ether; water at -20℃;
	With diethyl ether anschliessenden Behandeln des Reaktionsgemisches mit wss.Ammoniumchlorid-Loesung;
	Stage #1: 2-Cyanopyridine; ethylmagnesium bromide Stage #2: With water Further stages.;
	Stage #1: 2-Cyanopyridine; ethylmagnesium bromide Inert atmosphere; Stage #2: With water
	Stage #1: 2-Cyanopyridine; ethylmagnesium bromide In tetrahydrofuran; diethyl ether at -78 - 20℃; Stage #2: With water; citric acid In tetrahydrofuran; diethyl ether	Intermediate of Formula XXIV; 1-Pyridin-2-yl-propan-1-one; 3M Et2O solution of ethylmagnesium bromide (19.2 mL, 57.6 mmol) was added to a stirred solution of pyridine-2-carbonitrile (5.0 g, 48.0 mmol) in THF (80 mL) at -78° C. The reaction mixture was allowed to warm to rt. The reaction mixture was acidified with aqueous citric acid solution. THF was removed in vacuo and the product was extracted with EtOAc. The organic layers were combined and washed with aqueous NaHCO3 and brine. Upon concentration in vacuo, the product was obtained as a pale yellow colored liquid. ESMS m/e: 271 (2M+H)+.
	Stage #1: 2-Cyanopyridine; ethylmagnesium bromide In tetrahydrofuran; diethyl ether at -78 - 20℃; Stage #2: With water; citric acid In tetrahydrofuran; diethyl ether Stage #3: With sodium hydrogencarbonate In diethyl ether; water; ethyl acetate	XXIV 3M Et2O solution of ethylmagnesium bromide (19.2 ml_, 57.6 mmol) was added to a stirred solution of pyridine-2-carbonitrile (5.0 g, 48.0 mmol ) in THF (80 ml_) at -78 0C. The reaction mixture was allowed to warm to rt. The reaction mixture was acidified with aqueous citric acid solution. THF was removed in vacuo and the product was extracted with EtOAc. The organic layers were combined and washed with aqueous NaHCO3 and brine. Upon concentration in vacuo, the product was obtained as a pale yellow colored liquid. ESMS m/e: 271 (2M+H)+.

Yield	Reaction Conditions	Operation in experiment
	With toluene-4-sulfonic acid In benzene
	With toluene-4-sulfonic acid
	With toluene-4-sulfonic acid In toluene for 2h; Heating;

Yield	Reaction Conditions	Operation in experiment
81%	In <i>tert</i>-butyl alcohol; benzene for 5h; Irradiation; other solv.;
81%	In <i>tert</i>-butyl alcohol; benzene for 5h; Irradiation;

[ CAS No. 3238-55-9 ] {[proInfo.proName]}

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[ 3238-55-9 ] Synthesis Path-Upstream 1~1

[ 3238-55-9 ] Synthesis Path-Downstream 1~88