(S)-3-Hydroxy-gamma-butyrolactone（CAS# 7331-52-4)

Āhuatanga matū:

Tātai rāpoi	C4H6O3
Molar Mass	102.09
Kiato	1.241g/mLat 25°C(marama)
Te Whakarewa	1.24
Piro Pouri	98-100°C0.3mm Hg(marama)
Tohu Kohiko	>230°F
Wairewa wai	Ka raweke ki te wai, te waipiro me etahi atu whakarewa pararopi. Kare e taea ki te hinu marama.
Kohu Kohu	5.42E-05mmHg i te 25°C
BRN	1280864
pKa	12.87±0.20(Te Matapae)
Tikanga Rokiroki	Ko te hau hau,2-8°C
Taurangi Refactive	n20/D 1.464(marama)
Āhuatanga ā-tinana, matū hoki	(s)-3-hydroxy-gamma butyrolactone he wai taekore, he wairewa i roto i te wai, waipiro me etahi atu whakarewa pararopi, kaore e rewa i roto i te hinu hinu ether, me etahi atu, he mea tino nui te whakahiatotanga pararopi takawaenga, he puna tino nui ano hoki. te aroha. Ka whakamahia te nuinga hei takawaenga matua o Modulator (R) -gamma-hydroxy-beta-Q waikawa hydroxybutyric [(R) -GABOB], (R) -GABOB ka whakamahia ki te hamani hyperlipidemia;(s) -Ko Oxiracetam he kaiwhakatairanga o te roro pākia, engari ano hoki tona kōtuitanga; Ko tana whakahekenga ka taea te tiki (s)-3-hydroxytetrahydrofuran, he takawaenga nui mo te maimoatanga o nga raau taero AIDS; ko te (s)-3-hydroxy-4-bromobutyric acid i whakahiatotia mai i a ia he whakapumau pea; Ka hurihia ki roto (s) -5-hydroxymethyl-1, 3-oxazolin-2-one e waatea ana mo te whakatipuranga hou o nga raau taero antibacterial; I tua atu, (s)-n-methyl-3-hydroxypyrrole me (R)–N-methyl -3-methyl-pyrrole he mahi whaikiko nui ano hoki, ka taea hoki te whiwhi ma te huri ngawari o (s) -3-hydroxy- gamma butyrolactone. He maha nga hua taiao ka taea te whakahiato mai i (s)-3-hydroxy-γbutyrolactone.

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Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate	Xi – Irritant
Waehere Morearea	36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru	S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora. S36 – Mau kakahu whakamarumaru tika. S37/39 – Kia mau nga karapu tika me te whakamarumaru kanohi/kanohi
WGK Tiamana	3
FLUKA BRAND F CODES	3-10
Waehere HS	29322090

Kupu Whakataki

(S)-3-hydroxy-γ-butyrolactone he pūhui waro. He wai kore tae me te reka, te reka hua.

He maha nga tikanga mo te whakarite i te (S)-3-hydroxy-γ-butyrolactone, he maha nga wa e whiwhihia ana e te catalytic hydrogenation. Ko te tikanga motuhake ko te whakautu i te nui o te γ-butyrolactone me te whakakorikori (pēnei i te koranu parahi-arahi) i te pāmahana me te pehanga e tika ana, a, i muri i te hauwai catalytic, ka whiwhi (S) -3-hydroxy-γ-butyrolactone.

Mōhiohio Haumaru: (S)-3-hydroxy-γ-butyrolactone he iti te paitini i raro i nga tikanga whakamahi whanui, a ehara i te matū morearea. Kia tupato ki te karo i te pa ki te kiri, nga kanohi, me te waahanga manawa i te wa e whakamahia ana. Mena ka pa mai, ka horoi ki te wai me te rapu rongoa i te waa. Me noho matara atu te puhui mai i te mura me nga taiao teitei o te pāmahana, me te karo i te pa atu ki nga waikura me nga waikawa. I tua atu, me whakamahi i runga i nga tikanga whakahaere tika me nga tikanga whakahaere haumaru.

Tōmua: Fmoc-Lys(Trt)-OH（CAS# 719892-61-2)

Panuku: Fmoc-L-Serine（CAS# 73724-45-5)

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