HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydroxylamine → HCID 178472252, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydroxylamine | HCID 787 | — |
| Reactant | Diethyl acetylenedicarboxylate | HCID 69803 | — |
| Reactant | 3-(2-Hydroxyethoxy)propiononitrile | HCID 90451 | — |
| Product | HCID 178472252 | HCID 178472252 | 86.6% |
Reaction Steps
Treatment of 3-(2-hydroxyethoxy)propanenitrile (9.00 g, 78.1 mmol) with 50% aqueous hydroxylamine (5.16 g, 78.1 mmol) followed by reaction with diethyl acetylenedicarboxylate (13.30 g, 78.1 mmol) gave 21.53 g (86% yield) of the title material as a light yellow oil after chromatography. 1HNMR 400 MHz (CDCl3) δ (ppm): (mixture of E/Z isomers ratio˜3:1) 1.25-1.4 (6H, 4×t), 2.42-2.49 (2H, m), 3.60-3.79 (6H, m), 4.16-4.21 (2H, m), 4.33-4.38 (2H, m), 5.3 and 5.65 (2H, two broad s), 5.77 and 5.83 (1H, 2×s). MS (ESI+) m/e 319 [M+H+].
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08039458B2 |
| Source dataset | uspto-grants-2011_10 |
| ORD ID | ord-52908c286efe4be0aa19f6cbf63b0453 |
| Source note | uspto-grants-2011_10 |