lawe aku
ʻO nā mea waena lāʻau lapaʻau e pili ana i kekahi mau mea kemika a i ʻole nā huahana kemika i hoʻohana ʻia i ke kaʻina hana synthesis.
Wahi a ka ʻoihana, ʻoihana waena o nā lāʻau lapaʻau, ma ke ʻano he kahua koʻikoʻi o ka ʻoihana kemika maikaʻi, e loaʻa kahi wahi hoʻomohala nui i ka wā e hiki mai ana.
Huahana | CAS |
N,N-Dimethyl-p-toluidine DMPT | 99-97-8 |
N,N-Dimethyl-o-toluidine DMOT | 609-72-3 |
2,3-Dichlorobenzaldehyde | 6334-18-5 |
2′,4′-Dichloroacetophenone | 2234-16-4 |
2,4-Dichlorobenzyl waiʻona | 1777-82-8 |
3,4′-Dichlorodiphenyl etera | 6842-62-2 |
2-chloro-4-(4-chlorophenoxy)acetophenone | 119851-28-4 |
2,4-dichlorotoluene | 95-73-8 |
o-Phenylenediamine | 95-54-5 |
o-Toluidine OT | 95-53-4 |
3-Methyl-N,N-diethyl aniline | 91-67-8 |
N,N-Diethyl aniline | 91-66-7 |
N-Ethylaniline | 103-69-5 |
N-Ethyl-o-toluidine | 94-68-8 |
N,N-Dimethylaniline DMA | 121-69-7 |
2-Naphthol Beta naphthol | 135-19-3 |
Auramine O | 2465-27-2 |
lactone ʻulaʻula violet CVL | 1552-42-7 |
Mai ka moʻolelo hoʻomohala o ka ʻoihana lapaʻau lapaʻau o Kina, ma hope o 30 mau makahiki o ka hoʻomohala ʻana, ua hoʻomohala ʻia nā mea waena o ka lāʻau lapaʻau mai kahi lālā liʻiliʻi o ka ʻoihana kemika i kahi ʻoihana e kū nei me ka waiwai o nā piliona yuan, a ke piʻi nei ka hoʻokūkū mākeke. .
Ua hoʻomaopopo ʻia i ka wā mua o ka hoʻomohala ʻana i ka ʻoihana intermediates pharmaceutical, ma muli o ka liʻiliʻi o ka hoʻopukapuka kālā a me ke kiʻekiʻe o ka hoʻihoʻi ʻana, e ulu aʻe nā ʻoihana intermediates lāʻau e like me nā ʻōpuʻu ma hope o ka ua, ʻoi loa ma Zhejiang, Taizhou, Nanjing a me nā wahi ʻē aʻe me ka maikaʻi. ʻOi aku ka wikiwiki o nā kūlana no ka hoʻomohala ʻana i nā intermediates pharmaceutical.
I kēia manawa, e like me ka hoʻololi ʻana o ka lāʻau lapaʻau lapaʻau, a me ka hana ʻana i nā lāʻau lapaʻau hou ma ka mākeke i kaupalena ʻia, ʻo ka paʻakikī o ka pharmaceutical intermediates ʻoihana ʻoi aku ka nui o ka ulu ʻana o nā huahana hou, ʻoi aku ka nui o ka huahana kuʻuna. , hāʻule koke ka loaʻa kālā o ka ʻoihana pharmaceutical intermediates, a ua lilo nā intermediates pharmaceutical i mea e noʻonoʻo ai i ka pilikia o ka ulu ʻana o kahi ʻoihana.
Manaʻo ka ʻoihana e hiki ke hoʻokumu i kāna mau pono hoʻokūkū mai nā ʻano o ka ʻenehana, ka mana, ka hoʻololi a me nā mea ʻē aʻe, i mea e kū ai i ka mākeke.
Ma ke ʻano o ka ʻenehana, pili nui ia i ka hoʻomaikaʻi ʻana i ka ʻenehana a me ka mālama ʻana i nā kumukūʻai.
Ua hōʻike ʻia he lōʻihi ke ala kaʻina o nā intermediates lāʻau lapaʻau, nui nā ʻanuʻu pane, ka nui o ka solvent, a me ka hiki ke hoʻomaikaʻi ʻenehana.
No ka laʻana, hiki ke hoʻohana ʻia nā kumu waiwai haʻahaʻa ma kahi o nā kumu waiwai kiʻekiʻe, e like me ka bromine pani i ka hana ʻana o ka aminotaxime acid, ammonium thiocyanate ma kahi o ka potassium thiocyanate (sodium) i ka hana, etc.
Eia kekahi, hiki ke hoʻohana ʻia kahi mea hoʻokahi e hoʻololi i nā solvents ʻokoʻa i ke kaʻina hana, a hiki ke hoʻihoʻi ʻia ka waiʻona i hana ʻia e ka hydrolysis o nā huahana ester.
Ma ke ʻano o ka mana, ʻo ia ka mea nui e hana i kāna mau huahana ponoʻī a hoʻomaikaʻi i ka mana i ka ʻoihana.
Ua hoʻomaopopo ʻia ma muli o ka ʻoihana intermediates lāʻau lapaʻau o Kina, he koʻikoʻi ka hoʻokūkū homogenization huahana, inā hiki i ka ʻoihana ke hana i kā lākou huahana ponoʻī, e hiki ke noho i nā pono hou aku ma ka mākeke.
Ma ke ʻano o ka hoʻololi ʻana, i kēia manawa, me ka ʻoi aku ka paʻakikī o ka mālama ʻana i ke kaiapuni o ka home, makemake ʻia nā kumu waiwai i nā ʻoihana waiwai nui, a me ka piʻi ʻana o nā kumukūʻai mālama kaiapuni, ua lilo ka hoʻololi i pilikia e noʻonoʻo ai nā ʻoihana waena o nā lāʻau lapaʻau. hoʻomohala hoʻomau.
Manaʻo ʻia e hoʻolōʻihi ʻia nā ʻoihana waena o nā lāʻau lapaʻau i ke kaulahao ʻoihana i luna a i lalo, a hoʻololi i nā kumu waiwai nui a lākou e hoʻohana ai i kā lākou hana ponoʻī, hiki ke hōʻemi hou i ke kumukūʻai. I kēia manawa, no kekahi mau mea maka kūikawā, hiki iā ia ke pale i ka monopoly o nā kumu waiwai kī.
Wahi a ka ʻoihana, ʻo ka neʻe ʻana i ke ala, kahi i hoʻokomo pono ʻia ai nā mea waena lāʻau lapaʻau i loko o nā API, hiki ke hoʻonui hou i ka waiwai i hoʻohui ʻia o nā huahana i ke kūʻai pololei ʻana iā lākou i nā hui lāʻau.
He mea pono e hoʻomaopopo i kaʻoi aku o ka nui o ka hoʻokomoʻana i lalo,ʻoiaiʻoi aku ka kiʻekiʻe o nā koiʻenehana hana, a he mea pono e mālama i ka pilina maikaʻi me nā mea hana e hoʻohana ana i ka API.
Ma ka holoʻokoʻa, hiki i nā ʻoihana alakaʻi ke loaʻa i nā pono hoʻokūkū hou aku.
Eia kekahi, he mea nui ka noiʻi a me ka hoʻomohala ʻana i ka ʻoihana waena. I kēia manawa, ʻaʻole nui ka nānā ʻana o ka ʻoihana waena lāʻau lapaʻau ma Kina i ka noiʻi a me ka hoʻomohala ʻana.
No laila, i ke kaiapuni o ka hoʻomaikaʻi mau ʻana i nā koi ʻenehana, ʻo nā ʻoihana R&D maikaʻi me ka ikaika R&D ikaika e hele mai i mua, ʻoiai nā ʻoihana liʻiliʻi a me nā ʻoihana liʻiliʻi me ka hiki ʻole o ka R&D hiki ke hoʻopau ʻia e ka mākeke. I ka wā e hiki mai ana, e hoʻonui hou ʻia ka manaʻo o ka ʻoihana, a e ulu ka pae waena a me ka haʻahaʻa i kahi pae kiʻekiʻe.
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Ka manawa hoʻouna: Apr-25-2021