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Boc-L-Threonine(CAS# 2592-18-9)

Āhuatanga matū:

Tātai rāpoi C9H17NO5
Molar Mass 219.24
Kiato 1.2470 (whakatau tata)
Te Whakarewa 80-82°C(marama)
Piro Pouri 360.05°C (whakatau tata)
Hurihuri motuhake(α) -8.5 º (c=1, waikawa acetic)
Tohu Kohiko 187.9°C
Kohu Kohu 1.36E-07mmHg i te 25°C
Te ahua Te paura amorphous ma
Tae Mā ki Tata mā
BRN 2331474
pKa 3.60±0.10(I Matapaetia)
Tikanga Rokiroki -20°C
Taurangi Refactive -7 ° (C=1, AcOH)
MDL MFCD00065946

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate Xn – He kino
Waehere Morearea R20/21/22 – He kino ma te horomia, ka pa ki te kiri me te horomia.
R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru S24/25 – A ape i te pa ki te kiri me nga kanohi.
S36 – Mau kakahu whakamarumaru tika.
S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
WGK Tiamana 3
Waehere HS 29241990

 

Kupu Whakataki

Ko te Boc-L-threonine he pūhui waro. He totoka ma e memeha ana i etahi whakarewa waro penei i te dimethylthionamide (DMSO), te waihano me te chloroform.

Ka taea te whakarite hei Boc-L-threonine ma te tauhohenga o nga roopu tiaki waikawa amino.

 

Ko tetahi huarahi ki te whakarite i te Boc-L-threonine ko te tauhohe tuatahi ki te threonine me te waikawa Boc na roto i te tauhohenga waikawa-catalyzed hei hanga i te ester Boc threonine e rite ana, katahi ka whiwhi Boc-L-threonine na roto i te tauhohenga waiwai kawakore.

He matū, me whakahaere i roto i te taiwhanga taiwhanga hau pai me nga taputapu whakamarumaru whaiaro e tika ana penei i nga karapu taiwhanga me nga karaehe. A ape i te pa ki te kiri me nga kanohi, me karo i te hoha i te puehu me te hau. Mena ka pa ki te kiri, ki nga kanohi ranei, horoi tonu ki te nui o te wai me te rapu rongoa.

 


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