Dimethylacetylene → HCID 178440527, Verbindung

HRID 2395869

Reaktionsgleichung

Reaktionsgleichung von HRID 2395869
[NH:1]1[BH:6][NH:5][BH:4][NH:3][BH:2]1.[CH3:7][C:8]#[C:9][CH3:10]>[C-]#[O+].C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[Rh]>[CH:7]([B:2]1[NH:3][BH:4][NH:5][BH:6][NH:1]1)=[CH:8][CH2:9][CH3:10]

Komponenten

4

Edukt 2

HCID 10419DimethylacetyleneHCID 138768Borazine

Produkt 1

HCID 178440527HCID 178440527, VerbindungAusbeute 10,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 10941995Carbonylhydridotris(triphenylphosphine)rhodium(I)Katalysator

Versuchsvorschrift

As in the previous examples, borazine (1.618 g, 20.1 mmol) and 2-butyne (20 mmol) were reacted in the presence of RhH(CO)(PPh3)3 (0.0165 g, 0.018 mmol) for four hours at room temperature. Fractionation of the resulting reaction mixture gave 0.2702 g (2.01 mmol) of B-butenyl-borazine stopping in a -55° C. trap. GLC analysis of the product indicates that it is composed of a 3:2 mixture of B-trans-(2-cis-butenyl)borazine and B-trans(1-butenyl)borazine. Pure samples of each isomer were prepared by preparative G.L.C.

Aufarbeitung

  1. customFractionation of the resulting reaction mixture

Quellen und Nachweise

ORD-Eintrag
ord-8da804f59a5142babe0f9bc085690280
Quelldatensatz
uspto-grants-1996_02
Patentnummer
US05489707

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