7-Amino-3-cephem-4-carboxylic acid

huahana

7-Amino-3-cephem-4-carboxylic acid

ʻIke kumu:

inoa Pelekane:

7-ANCA;7-AMOCA;(6R,7R)-7-AMino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicAcid;7-NACA;7- NACA7-ANCA;7-ANCAChemicalbook haumia;CeftizoximeImpurity9;CeftizoximeImpurity16;Ceftizoximeintermediate(7-anca);7-amino-3-cephem-4-carboxylicacid

Helu CAS: 36923-17-8

Huina mole: C7H8N2O3S

Kaumaha molekula: 200.21

Helu EINECS: 609-312-7

Kumu hoʻolālā:

图片4

Nā waeʻano pili: Nā mea waena; Nā mea waena lāʻau lapaʻau; ʻO nā mea lāʻau lapaʻau.


Huahana Huahana

Huahana Huahana

Waiwai physicochemical

Ka helu hehee: 215-218°C

Puni paila: 536.9±50.0 °C(Wānana ʻia)

Māmā: 1.69± 0.1g /cm3(Wānana ʻia)

Hōʻike hōʻano hou: 1.735 (manaʻo)

Kaila uila: 278.508°C

Hiki ke hoʻoheheʻe ʻia: Hiki ke hoʻoheheʻe ʻia i loko o ka wai ʻawaʻawa (ʻuʻuku, wela), DMSO (ʻuʻuku). Pono: Keʻokeʻo a keʻokeʻo crystalline pauka.

Pumi mahu: 0mmHg ma 25°C

Papa kuhikuhi kiko'ī

kikoʻī hui maʻamau
Ka nana aku   Keʻokeʻo a keʻokeʻo crystalline pauda
Mea nui % ≥98.5%
Mākū % ≤1
Mono hybrid % ≤0.5
Huipuu nui % ≤1

 

Hoʻohana Huahana

ʻO Cephalosporin, hoʻohana ʻia ma ke ʻano he waena o cefbutan a me cefazoxime.

hana ʻana

Hoʻohui ʻia ka waikawa sulfuric concentrated (104.3mL, 1.92mol) i loko o ʻekolu mau hue, a laila hoʻohui ʻia ka waikawa isophthalic (40g, 0.24mol), hoʻoulu ʻia a wela i 60 ℃, paʻa no 0.5h, a me 60% nitric acid (37.8g, 0.36). mol) i hoʻohui ʻia no ka hoʻomalu ʻana i ka degere holo wikiwiki. Hoʻohui i loko o 2 mau hola. Ma hope o ka hoʻohui, mālama ʻia ka wela ma 60 ℃ no 2 mau hola. Hoʻolili i lalo o 50 ° C, a laila hoʻohui i 100mL o ka wai. Hoʻomaʻalili ʻia ka mea i ka lumi wela, ninini ʻia i loko o ka kānana, hoʻomoʻi ʻia e wehe i ka waiʻona, holoi ʻia ka keke kānana me ka wai, hoʻokahe ʻia e recrystallize, a ʻo ka huahana keʻokeʻo he 34.6 grams, ʻo ka hua he 68.4%.

Nā kikoʻī a me ka waiho ʻana

20Kg a i ʻole 25Kg/ bākeke, pahu pahu pahu, i hoʻopaʻa ʻia me kahi papa keʻokeʻo a me kahi ʻeke polyethylene ʻeleʻele. 2 ℃ -8 ℃ maloʻo, wahi anuanu, kahi mamao mai ka mālama māmā, kūpono no 2 mau makahiki.


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