Hydrochloric Acid → Phenyl(1-hexynyl)isopropoxyborane

HRID 1608077Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1608077
[C:1]([Li])#[C:2][CH2:3][CH2:4][CH2:5][CH3:6].C#CCCCC.C([Li])CCC.[C:19]1([B:25](OC(C)C)[O:26][CH:27]([CH3:29])[CH3:28])[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1.Cl.C=C(C)C>C(OCC)C>[C:6]1([B:25]([C:19]#[C:20][CH2:21][CH2:22][CH2:23][CH3:24])[O:26][CH:27]([CH3:28])[CH3:29])[CH:5]=[CH:4][CH:3]=[CH:2][CH:1]=1

Komponenten

8

Edukt 6

HCID 313Hydrochloric AcidHCID 8255IsobutyleneHCID 127321-HexyneHCID 569210Bis(1-methylethyl) B-phenylboronateHCID 178418339ButyllithiumHCID 178506798HCID 178506798, Verbindung

Produkt 1

HCID 13721780Phenyl(1-hexynyl)isopropoxyborane

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 3283Diethyl EtherLösungsmittel3×

Versuchsvorschrift

The title compound was prepared following the method of Example 14, using 1-hexynyllithium (64 mmol) prepared from 1-hexyne and n-butyl lithium in ethyl ether (64 mL) and phenyldiisopropoxyborane (11.96 g, 58 mmol) dissolved in ethyl ether (60 mL) and quenched with hydrogen chloride in ethyl ether (18.7 mL, 64 mmol). Yield. 11.2 g (86%), bp 102°-105° C. (0.4 mm Hg); n20D 1.5008; proton NMR (CDCl3)δ7.90 (m, 2H), 7.31 (m, 3H), 4.87 (septet, J=18 Hz, 1H), 2.33 (triplet, J=18 Hz, 2H), 1.23 (d, J=18 Hz, 6H), 0.90 (triplet, 3H); boro NMR (CDCl3)δ+36.5 ppm(s); mass spectrum (chemical ionization, isobutene) m/e 229 (M+H, 10%); IR (thin film) 2195, 1324 cm-1. Anal. Calcd. for C15H 21 BO: C, 78.97; H, 9.28. Found: C, 78.18; H, 9.27.

Aufarbeitung

  1. customYield

Quellen und Nachweise

ORD-Eintrag
ord-16abfdfd42b6452c9b4422c19a3f61aa
Quelldatensatz
uspto-grants-1989_09
Patentnummer
US04868337

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