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?? ??:
1679-47-6
???:
??-??-?????
???(??):
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???:
ALPHA-METHYL-GAMMA-BUTYROLACTONE
???(??):
3-Methyldihydrofuran-2(3H)-one;DIHYDRO-3-METHYL-2(3H)-FURANONE;2-Methyl-4-butanolide;α-Methyl-γ-butyrolactone;alpha-Methylbutyrolactone;2(3H)-Furanone,dihydro-3-methyl-;4,5-DIHYDRO-3-METHYL-2(3H)-FURANONE;NSC 102837;2-Methylbutanolide;3-Methyloxolan-2-one
CBNumber:
CB4320410
???:
C5H8O2
??? ??:
100.12
MOL ??:
1679-47-6.mol
MSDS ??:
SDS

??-??-????? ??

?? ?
78-81 °C/10 mmHg (lit.)
??
1,06 g/cm3
???
n20/D 1.432(lit.)
???
163 °F
?? ??
2-8°C
???
THF: ?? ??
??? ??
??? ??
??
?? ?? ?? ??
BRN
80418
CAS ??????
1679-47-6
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????? 23-24/25
WGK ?? 3
HS ?? 2932209090
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H227 ??? ?? ??? ?? ?? 4 ?? P210, P280, P370+P378, P403+P235,P501
??????:
P210 ?·???·??·????? ????? - ?? ???.
P280 ????/???/???/?????? ?????.
P370+P378 ?? ? ?? ?? ?? (Section 5. ??, ??? ????? ??? ???)?(?) ?????.
P403+P235 ??? ? ?? ?? ???? ???? ?????.
P501 ...? ??? / ??? ?? ???.
NFPA 704
2
0 0

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ALPHA-METHYL-GAMMA-BUTYROLACTONE was used as model compound in Bracketing experiments to investigate the thermodynamically favored site of reaction of pilocarpine.

?? ??

α-Methyl-γ-butyrolactone undergoes benzylation to give racemic α-benzyl-α-methyl-γ-butyrolactone.

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???

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3-Methyl-2-oxo-tetrahydro-furan-3-carbaldehyde 3-??-4,5-?????? ??(3-),-2-??? ??(3-)???????? 1,4-???? ???????-3-???? 4-bromo-2-methylButanoic acid methyl ester ??4-???-2-????????

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