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But-3-en-1-ylboronic acid

But-3-en-1-ylboronic acid ??? ???
?? ??:
379669-72-4
???:
But-3-en-1-ylboronic acid
???(??):
but-3-enylboronicaci;3-Butenylboronic acid;But-3-enylboronic acid;3-Butenyl-1-boronic acid;But-1-ene-4-boronic acid;but-3-en-1-ylboronic acid;B-3-Buten-1-ylboronic acid;Boronic acid, B-3-buten-1-yl-
CBNumber:
CB42090959
???:
C4H9BO2
??? ??:
99.92
MOL ??:
379669-72-4.mol
MSDS ??:
SDS

But-3-en-1-ylboronic acid ??

???
84-90 °C
?? ?
196.7±33.0 °C(Predicted)
??
0.937±0.06 g/cm3(Predicted)
?? ??
2-8°C
?? ?? (pKa)
10.25±0.43(Predicted)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
WGK ?? 3
HS ?? 2931900090
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? GHS hazard pictograms P264, P270, P301+P312, P330, P501
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P271 ?? ?? ??? ? ?? ???? ?????.
P280 ????/???/???/?????? ?????.
P301+P312 ??? ???? ??? ????(??)? ??? ????.
P302+P352 ??? ??? ??? ?? ????.
P304+P340 ???? ??? ??? ?? ??? ??? ???? ?? ??? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P330 ?? ?????.
P332+P313 ?? ??? ??? ???? ??· ??? ????.
P337+P313 ?? ?? ??? ???? ???? ??· ??? ????.
P362 ??? ??? ?? ?? ?? ?????
P403+P233 ??? ??? ? ?? ?? ??? ???? ?????.
P405 ???? ?????.
P501 ...? ??? / ??? ?? ???.

But-3-en-1-ylboronic acid C??? ??, ??, ??

??

Reactant for:

?? ??

May contain varying amounts of anhydride.

Purification Methods

Recrystallise the acid from toluene and dry it in vacuo.[cf Letsinger & Skoog J Org Chem 18 895 1953.]

But-3-en-1-ylboronic acid ?? ?? ? ???

???

?? ??


But-3-en-1-ylboronic acid ?? ??

???( 29)?? ??
??? ?? ??? ?? ?? ? ??
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But-3-en-1-ylboronic acid ?? ??:

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