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8,8-Dimethyl-9α,10α-dihydroxy-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one

8,8-Dimethyl-9α,10α-dihydroxy-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one ??? ???
?? ??:
24144-61-4
???:
8,8-Dimethyl-9α,10α-dihydroxy-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one
???(??):
(+)-cis-Khellactone;8,8-Dimethyl-9α,10α-dihydroxy-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one;2H,8H-Benzo[1,2-b:3,4-b']dipyran-2-one, 9,10-dihydro-9,10-dihydroxy-8,8-dimethyl-, (9R,10R)-;[9R,10R,(+)]-9,10-Dihydro-9,10-dihydroxy-8,8-dimethyl-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one
CBNumber:
CB92164422
???:
C14H14O5
??? ??:
262.26
MOL ??:
24144-61-4.mol

8,8-Dimethyl-9α,10α-dihydroxy-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one ??

???
171.0-173.5℃
?? ?
424.8±45.0 °C(Predicted)
??
1.399±0.06 g/cm3(Predicted)
???
? ??????????, THF
?? ?? (pKa)
13.19±0.60(Predicted)
??? ??
??
??
??? ? ???
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H227 ??? ?? ??? ?? ?? 4 ?? P210, P280, P370+P378, P403+P235,P501
??????:
P210 ?·???·??·????? ????? - ?? ???.
P280 ????/???/???/?????? ?????.
P370+P378 ?? ? ?? ?? ?? (Section 5. ??, ??? ????? ??? ???)?(?) ?????.
P403+P235 ??? ? ?? ?? ???? ???? ?????.
P501 ...? ??? / ??? ?? ???.

8,8-Dimethyl-9α,10α-dihydroxy-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one C??? ??, ??, ??

??

(+)-cis-Khellactone is an intermediate in the synthesis of rac Samidin (S110500), a potent vasodilatory agent isolated from Ammi visnaga. cis-Khellactone is a coumarin agent which displays potential P-glycoprotein modulation activity. Antiplatelet aggregation.

8,8-Dimethyl-9α,10α-dihydroxy-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one ?? ?? ? ???

???

?? ??

8,8-Dimethyl-9α,10α-dihydroxy-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one ?? ??

???( 36)?? ??
??? ?? ??? ?? ?? ? ??
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8,8-Dimethyl-9α,10α-dihydroxy-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one ?? ??:

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