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Ngā Hua

1,2,3,4-Di-O-Isopropylidene-alpha-D-galactopyranose CAS:4064-06-6

Ko te 1,2:3,4-Di-O-isopropylidene-D-galactopyranose he matū e pā ana ki te whānau o ngā matū galactopyranose. He mea whakamahi noa i roto i te matū waro hei ārai i ngā rōpū hydroxyl kei roto i ngā huka, inā koa ko te galactose. Ka hangaia te matū mā te tauhohe i te D-galactose ki te acetone hei hanga i tētahi matū diacetone, kātahi ka rongoatia ki te waikawa hei hanga i te matū di-O-isopropylidene. Ka tiakina e tēnei matū ngā rōpū hydroxyl, ka ārai i ngā tauhohenga kāore e hiahiatia i te wā o te hanganga matū, ā, ka taea te tango motuhake hei whakaora i te matū taketake. Nā tōna hanganga kiato me tōna pumau ka whai hua i roto i ngā tono maha i roto i te mara o te hanganga waro.


Taipitopito Hua

Ngā Tohu Hua

Te Whakamahinga me te Pānga

Ko te pānga matua o te 1,2:3,4-Di-O-isopropylidene-D-galactopyranose ko te tiaki i ngā rōpū hydroxyl i runga i te ngota galactose. Ka tutuki tēnei mā te hanga i tētahi cyclic acetal derivative, e aukati ana i te tauhohenga o ngā rōpū hydroxyl. Ko tētahi whakamahinga o tēnei pūhui ko te matū warowaihā me te hanga. Mā te tiaki i ngā rōpū hydroxyl, ka taea e te 1,2:3,4-Di-O-isopropylidene-D-galactopyranose ngā tauhohenga whiriwhiri i ētahi atu rōpū mahi, me te kore he tauhohenga kāore e hiahiatia i ngā tūranga hydroxyl. Mā tēnei ka taea te whakahaere me te whakarerekē pai i te ngota galactose. Hei tāpiri, ka taea te whakamahi i tēnei derivative i roto i te hanga o ngā hua taiao me ngā rongoā kei roto ngā wāhanga galactose. Ka āwhina i te hanganga o ngā ngota matatini, ina hiahiatia ngā tauhohenga whakahaere me ngā tauhohenga whiriwhiri. Hei tāpiri, he tono tēnei matū ki te hanga matū motuhake, pērā i ngā surfactants me ngā polymers, ina hiahiatia ngā whakarerekētanga motuhake o ngā ngota e hangai ana ki te galactose. I te nuinga, mā te whakamahi i te 1,2:3,4-Di-O-isopropylidene-D-galactopyranose hei kaihoko tiaki ka taea te hanga me te whakarerekētanga whai hua o ngā matū kei roto te galactose i roto i ngā mara maha, tae atu ki te matū waro, te rongoā, me te pūtaiao rauemi.

Tauira Hua

2
3

Te Tākai Hua:

6892-68-8-3

Ngā Mōhiotanga Tāpiri:

Te hanganga C12H20O6
Whakamātautau 99%
Āhua Paura mā
Nama CAS 4064-06-6
Te tākai Iti, nui hoki
Te Ora o te Wāhi 2 tau
Rokiroki Penapena ki te wāhi hauhautanga, maroke hoki
Tiwhikete ISO.

 


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