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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2291919Generated: November 1, 2026

Methanol → HCID 21278525, compound

https://huagongshe.com/reaction/2291919

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantSodium CyanideHCID 8929—
Reactant[1-(Prop-2-yn-1-yl)-1H-pyrrol-3-yl]methanolHCID 13604946—
CatalystSodium CyanideHCID 8929—
SolventAcetic AcidHCID 176—
SolventWaterHCID 962—
ProductHCID 21278525HCID 2127852597.6%

Reaction Conditions

Temperature20 °C

Reaction Steps

0.44 ml of acetic acid was added to a solution of 510 mg of the product of Step B of Example 1, 7 ml of methanol and 2 ml of water another 0.44 ml of acetic acid was added. The mixture was cooled to 20° C. and 2.82 mg of sodium cyanide were added, after which the mixture was stirred for 90 minutes at 20° C., then cooled to ±10° C. Another 1.4 g of sodium cyanide and 2.2 ml of acetic acid were added and after stirring for 4 hours, the reaction mixture was poured into water and extracted with ethyl acetate. The organic phase was washed with water and dried, then concentrated to dryness to obtain 590 mg of α-hydroxy-1-(2-propynyl)-1H-pyrrole-3-acetonitrile.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04798901
Source datasetuspto-grants-1989_01
ORD IDord-8a90184c6150499bb55339b05165114a
Source noteuspto-grants-1989_01