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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

Desloratadine Manufacturer/High quality/Best price/In stock

Cas:100643-71-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality Desloratadine supplier in China

Cas:100643-71-8

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

Jinlan Pharm-Drugs Technology Co.,Limited (with its export company Hangzhou Royall Import & Export Co.,Ltd.)is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shanghai P

DESLORATIDINE

Cas:100643-71-8

Min.Order:100 Gram

FOB Price: $1565.0 / 3910.0

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Desloratadine Cas 100643-71-8 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystalline powder Storage:Store in 2-8°C Package:1kg/bag with foil bag

High purity Desloratadine Cas100643-71-8 with favorable price

Cas:100643-71-8

Min.Order:1 Kilogram

FOB Price: $600.0 / 650.0

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

Desloratadine

Cas:100643-71-8

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply Desloratadine

Cas:100643-71-8

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory Price API 99% Desloratadine Citrate Disodium 100643-71-8 GMP Manufacturer

Cas:100643-71-8

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermedi

Desloratadine

Cas:100643-71-8

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

Desloratadine

Cas:100643-71-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

TIANFU CHEM---Desloratadine

Cas:100643-71-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

Factory Supply CAS 100643-71-8 99% Desloratadine

Cas:100643-71-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

New production CAS 100643-71-8 with best quality

Cas:100643-71-8

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

Hot Sell Factory Supply Raw Material CAS 100643-71-8 ,Desloratadine

Cas:100643-71-8

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

Desloratadine CAS100643-71-8

Cas:100643-71-8

Min.Order:1 Kilogram

FOB Price: $7.0 / 9.0

Type:Trading Company

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

Desloratadine/ LIDE PHARMA- Factory supply / Best price

Cas:100643-71-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

CAS Number:100643-71-8 Name:Desloratadine Formula:C19H19ClN2 Molecular Weight:310.82 Synonyms:Neoclarityn;Opulis;Sch 34117;5H-Benzo[5,6]cyclohepta[1,2-b]pyridine,8-chloro-6,11-dihydro-11-(4-piperidinylidene)-;8-Chloro-11-(4-piperidylidene)-6,

Desloratadine

Cas:100643-71-8

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:White to off-white solid Storage:R.T Package:25kg/drum Application:Antihistamines Transportation:Express/Sea/Air Port:Any port in China

Desloratadine API cas 100643-71-8

Cas:100643-71-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Desloratadine 100643-71-8

Cas:100643-71-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

Desloratadine 99%

Cas:100643-71-8

Min.Order:1 Kilogram

FOB Price: $135.0 / 150.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Desloratadine CAS:100643-71-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermedia

Desloratadine CAS:100643-71-8

Cas:100643-71-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Terui OP New Material Technology Co., Ltd.

We have overseas warehouses in California, New Laredo Mexico, Vancouver Canada, Amsterdam Netherlands, and Melbourne Australia. Overseas warehouses can provide some of the best-selling products. We look forward to the cooperation of local powerful d

Desloratadine cas 100643-71-8 Chinese manufacturer

Cas:100643-71-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Desloratidine

Cas:100643-71-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

Desloratadine

Cas:100643-71-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:As

8-Chloro-6,11-dihydro-11-(4-piperdinylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

Cas:100643-71-8

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

Desloratadine

Cas:100643-71-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 100000.0

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

Desloratadine

Cas:100643-71-8

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Yuanmeng Biological Technology Co., Ltd.

Hubei Yuanmeng Biological Technology Co., Ltd., which is located in Wuhan, China. We are specializing in the exportation of APIs, and plant extracts ect. Our products has been exported to America, Australia, Brazil, the Europe, Middle East and other

Good Quality Desloratadine CAS 100643-71-8

Cas:100643-71-8

Min.Order:1 Kilogram

FOB Price: $3.0 / 5.0

Type:Trading Company

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

Desloratadine

Cas:100643-71-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

Desloratadine

Cas:100643-71-8

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

loratadine
79794-75-5

loratadine

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

Conditions
ConditionsYield
In ethanol; water Reflux; Inert atmosphere; Alkaline conditions;98.5%
With C22H40N4(2+)*2BF4(1-) In toluene at 80℃; for 0.666667h;98.5%
With sodium hydroxide In ethanol; water at 100 - 105℃; for 5h; Concentration; Solvent; Time; Temperature; Autoclave; Inert atmosphere; Large scale;96%
8-chloro-6,11-dihydro-11-(4-piperidinylydene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine carbon dioxide adduct

8-chloro-6,11-dihydro-11-(4-piperidinylydene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine carbon dioxide adduct

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

Conditions
ConditionsYield
Stage #1: 8-chloro-6,11-dihydro-11-(4-piperidinylydene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine carbon dioxide adduct In ethanol for 1h; Heating / reflux;
Stage #2: In methanol; acetone Heating / reflux;
63%
N-tert-butyl-3-methylpyridine-2-carboxamide
32998-95-1

N-tert-butyl-3-methylpyridine-2-carboxamide

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 1.) n-BuLi / 1.) THF, -40 deg C
2: POCl3 / Heating
3: 2.) aq. HCl / 1.) THF, reflux
4: CF3SO3H / Heating
5: Et3N / toluene / Heating
6: aq. KOH / Heating
View Scheme
3-[2-(3-chlorophenyl)ethyl]-2-pyridine-carbonitrile
31255-57-9

3-[2-(3-chlorophenyl)ethyl]-2-pyridine-carbonitrile

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 2.) aq. HCl / 1.) THF, reflux
2: CF3SO3H / Heating
3: Et3N / toluene / Heating
4: aq. KOH / Heating
View Scheme
3-<2-(3-chlorophenyl)ethyl>-N-(1,1-dimethylethyl)-2-pyridinecarboxamide
107285-30-3

3-<2-(3-chlorophenyl)ethyl>-N-(1,1-dimethylethyl)-2-pyridinecarboxamide

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: POCl3 / Heating
2: 2.) aq. HCl / 1.) THF, reflux
3: CF3SO3H / Heating
4: Et3N / toluene / Heating
5: aq. KOH / Heating
View Scheme
{3-[2-(3-Chloro-phenyl)-ethyl]-pyridin-2-yl}-(1-methyl-piperidin-4-yl)-methanone
130642-50-1

{3-[2-(3-Chloro-phenyl)-ethyl]-pyridin-2-yl}-(1-methyl-piperidin-4-yl)-methanone

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: CF3SO3H / Heating
2: Et3N / toluene / Heating
3: aq. KOH / Heating
View Scheme
1-Chloro-3-chloromethyl-benzene
620-20-2

1-Chloro-3-chloromethyl-benzene

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 1.) n-BuLi / 1.) THF, -40 deg C
2: POCl3 / Heating
3: 2.) aq. HCl / 1.) THF, reflux
4: CF3SO3H / Heating
5: Et3N / toluene / Heating
6: aq. KOH / Heating
View Scheme
N-methyldesloratadine
38092-89-6

N-methyldesloratadine

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: Et3N / toluene / Heating
2: aq. KOH / Heating
View Scheme
With potassium hydroxide In ethanol; water
With potassium hydroxide In ethanol; water
Multi-step reaction with 2 steps
1: triethylamine / toluene / 3 h / Reflux
2: potassium hydroxide / ethanol / 6 h / Reflux
View Scheme
8-chloro-6,11-dihydro-11-(1-cyano-4-piperidylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine
100643-73-0

8-chloro-6,11-dihydro-11-(1-cyano-4-piperidylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

Conditions
ConditionsYield
In hydrogenchloride; water; acetic acid11.5 grams (93%)
8-Chloro-6,11-dihydro-11-(4-piperidylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine acetic acid salt

8-Chloro-6,11-dihydro-11-(4-piperidylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine acetic acid salt

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

Conditions
ConditionsYield
With potassium carbonate; pyrographite In chloroform; water for 0.5h; pH=~ 10 - 12; Product distribution / selectivity;
Stage #1: 8-Chloro-6,11-dihydro-11-(4-piperidylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine acetic acid salt With pyrographite In water at 20℃; for 1h;
Stage #2: With potassium carbonate In water at 65 - 70℃; for 6 - 12h; pH=10 - 12; Product distribution / selectivity;
8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
31251-41-9

8-chloro-5,6-dihydro-11H-Benzo[5,6]cyclohepta[1,2-b]pyridin-11-one

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: tetrahydrofuran / Reflux
2: sulfuric acid / 4.5 h / 20 °C
3: triethylamine / toluene / 3 h / Reflux
4: potassium hydroxide / ethanol / 6 h / Reflux
View Scheme
(1-methyl-4-piperidyl)magnesium chloride
63463-36-5

(1-methyl-4-piperidyl)magnesium chloride

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: tetrahydrofuran / Reflux
2: sulfuric acid / 4.5 h / 20 °C
3: triethylamine / toluene / 3 h / Reflux
4: potassium hydroxide / ethanol / 6 h / Reflux
View Scheme
8-chloro-6,11-dihydro-11-(1-methyl-4-piperidinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol
38089-93-9

8-chloro-6,11-dihydro-11-(1-methyl-4-piperidinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sulfuric acid / 4.5 h / 20 °C
2: triethylamine / toluene / 3 h / Reflux
3: potassium hydroxide / ethanol / 6 h / Reflux
View Scheme
descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

propoxycarbonyl chloride
109-61-5

propoxycarbonyl chloride

Propyl-4-(8-chlor-5,6-dihydro-11H-benzo-<5,6>-cyclohepta-<1,2-b>-pyridin-11-ylidin)-1-piperidincarboxylat

Propyl-4-(8-chlor-5,6-dihydro-11H-benzo-<5,6>-cyclohepta-<1,2-b>-pyridin-11-ylidin)-1-piperidincarboxylat

Conditions
ConditionsYield
In toluene at 50℃; for 1h;100%
With N-ethyl-N,N-diisopropylamine In dichloromethane for 2h;
(2R)-2-phenylbutanoic acid
938-79-4

(2R)-2-phenylbutanoic acid

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

(R)-1-[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-2-phenyl-butan-1-one

(R)-1-[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-2-phenyl-butan-1-one

Conditions
ConditionsYield
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 4℃; for 0.5h;100%
4-Nitrophenyl isocyanate
100-28-7

4-Nitrophenyl isocyanate

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-N-(4-nitrophenyl)piperidine-1-carboxamide

4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-N-(4-nitrophenyl)piperidine-1-carboxamide

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 3h;100%
descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

Tert-butyl isocyanate
1609-86-5

Tert-butyl isocyanate

N-(t-butyl)-4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxamide

N-(t-butyl)-4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxamide

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 3h;100%
descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

phenyl isocyanate
103-71-9

phenyl isocyanate

4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-N-phenylpiperidine-1-carboxamide
169252-51-1

4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-N-phenylpiperidine-1-carboxamide

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 3h;99%
descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

phenylacetyl chloride
103-80-0

phenylacetyl chloride

1-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-2-phenylethan-1-one

1-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-2-phenylethan-1-one

Conditions
ConditionsYield
In dichloromethane at 20℃; for 7h;98%
With pyridine In tetrahydrofuran for 48h; Ambient temperature;36%
With N-ethyl-N,N-diisopropylamine In dichloromethane for 2h;
carbon dioxide
124-38-9

carbon dioxide

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

8-chloro-6,11-dihydro-11-(4-piperidinylydene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine carbon dioxide adduct

8-chloro-6,11-dihydro-11-(4-piperidinylydene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine carbon dioxide adduct

Conditions
ConditionsYield
In acetone at 50℃; for 3h; Product distribution / selectivity; Heating / reflux;97.5%
In methanol; acetone at 20 - 40℃; Product distribution / selectivity;96%
In isopropyl alcohol; acetone at 20 - 40℃; Product distribution / selectivity;95.2%
In ethanol; acetone at 20 - 45℃; for 0.5h; Product distribution / selectivity;94.3%
In acetone; butan-1-ol at 20 - 40℃; Product distribution / selectivity;94.3%
descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

3-nitrobenzenesulphonyl chloride
121-51-7

3-nitrobenzenesulphonyl chloride

8-Chloro-11-(1-((3-nitrophenyl)sulfonyl)piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta-[1,2-b]pyridine
1423771-99-6

8-Chloro-11-(1-((3-nitrophenyl)sulfonyl)piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta-[1,2-b]pyridine

Conditions
ConditionsYield
Stage #1: descarboethoxyloratadine With triethylamine In dichloromethane at 0℃; for 0.166667h;
Stage #2: 3-nitrobenzenesulphonyl chloride In dichloromethane for 2h;
97%
With triethylamine In dichloromethane at 20℃; for 6h;97.2%
With triethylamine In dichloromethane at 0℃; for 2h;
4-(methylthio)benzoic acid
13205-48-6

4-(methylthio)benzoic acid

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-(4-methylsulfanyl-phenyl)-methanone
169252-29-3

[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-(4-methylsulfanyl-phenyl)-methanone

Conditions
ConditionsYield
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 4℃; for 0.5h;97%
Tropic acid
529-64-6

Tropic acid

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

1-[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-3-hydroxy-2-phenyl-propan-1-one
169250-67-3

1-[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-3-hydroxy-2-phenyl-propan-1-one

Conditions
ConditionsYield
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 4℃; for 0.5h;97%
descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

3,5-ditrifluoromethylisocyanate
16588-74-2

3,5-ditrifluoromethylisocyanate

N-(3,5-bis(trifluoromethyl)phenyl)-4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxamide

N-(3,5-bis(trifluoromethyl)phenyl)-4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxamide

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 3h;97%
descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

4-Nitrobenzenesulfonyl chloride
98-74-8

4-Nitrobenzenesulfonyl chloride

8-Chloro-11-(1-((4-nitrophenyl)sulfonyl)piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta-[1,2-b]pyridine

8-Chloro-11-(1-((4-nitrophenyl)sulfonyl)piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta-[1,2-b]pyridine

Conditions
ConditionsYield
With pyridine at -5℃; for 12h;96%
Stage #1: descarboethoxyloratadine With triethylamine In dichloromethane at 0℃; for 0.166667h;
Stage #2: 4-Nitrobenzenesulfonyl chloride In dichloromethane for 2h;
88%
With potassium carbonate In toluene Ambient temperature;
With dmap In pyridine at 20℃;
With triethylamine In dichloromethane at 0℃; for 2h;
descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

4-Methoxyphenyl isocyanate
5416-93-3

4-Methoxyphenyl isocyanate

4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-N-(4-methoxyphenyl)piperidine-1-carboxamide

4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-N-(4-methoxyphenyl)piperidine-1-carboxamide

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 3h;96%
5-methylnicotinic acid
3222-49-9

5-methylnicotinic acid

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-(5-methyl-pyridin-3-yl)-methanone

[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-(5-methyl-pyridin-3-yl)-methanone

Conditions
ConditionsYield
With boric acid In toluene Concentration; Reflux;95%
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide for 18h; Ambient temperature;44%
descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

3-methoxycarbonylbenzyl bromide
1129-28-8

3-methoxycarbonylbenzyl bromide

methyl 3-[4-(8-chloro-5,6-dihydrobenzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-ylmethyl]benzoate

methyl 3-[4-(8-chloro-5,6-dihydrobenzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-ylmethyl]benzoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 70℃;95%
descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

4-nitro-benzoyl chloride
122-04-3

4-nitro-benzoyl chloride

(4-(8-Chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl)(4-nitrophenyl)methanone

(4-(8-Chloro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11(6H)-ylidene)piperidin-1-yl)(4-nitrophenyl)methanone

Conditions
ConditionsYield
Stage #1: descarboethoxyloratadine With triethylamine In dichloromethane at 0℃; for 0.166667h;
Stage #2: 4-nitro-benzoyl chloride In dichloromethane for 2h;
95%
With triethylamine In dichloromethane at 0℃; for 2h;
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

tert-butyl 4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate

tert-butyl 4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 5h;94%
With N-ethyl-N,N-diisopropylamine In dichloromethane for 2h;
1-bromo-2-(4-phenyl-1H-1,2,3-triazol-1-yl)ethane-1-sulfonyl fluoride

1-bromo-2-(4-phenyl-1H-1,2,3-triazol-1-yl)ethane-1-sulfonyl fluoride

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

(E)-2-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)ethene-1-sulfonyl fluoride

(E)-2-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)ethene-1-sulfonyl fluoride

Conditions
ConditionsYield
In 1,4-dioxane at 20℃; stereoselective reaction;94%
4-tolylacetic acid
622-47-9

4-tolylacetic acid

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

1-[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-2-p-tolyl-ethanone

1-[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-2-p-tolyl-ethanone

Conditions
ConditionsYield
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 4℃; for 0.5h;93%
m-methylphenylacetic acid
621-36-3

m-methylphenylacetic acid

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

1-[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-2-m-tolyl-ethanone

1-[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-2-m-tolyl-ethanone

Conditions
ConditionsYield
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 4℃; for 0.5h;93%
descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

p-trifluoromethyl-phenylisocyanate
1548-13-6

p-trifluoromethyl-phenylisocyanate

4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-N-(4-(trifluoromethyl)phenyl)piperidine-1-carboxamide

4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-N-(4-(trifluoromethyl)phenyl)piperidine-1-carboxamide

Conditions
ConditionsYield
In tetrahydrofuran at 20 - 23℃; for 6h;93%
descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

2-(1-(tert-butoxycarbonyl)piperidin-4-yl)acetic acid
157688-46-5

2-(1-(tert-butoxycarbonyl)piperidin-4-yl)acetic acid

t-butyl 4-(2-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-2-oxoethyl)piperidine-1-carboxylate

t-butyl 4-(2-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-2-oxoethyl)piperidine-1-carboxylate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; HATU In dichloromethane at 20℃; for 24h;93%
carbon dioxide
124-38-9

carbon dioxide

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

0.5CO2*C19H19ClN2

0.5CO2*C19H19ClN2

Conditions
ConditionsYield
In ethanol; ethyl acetate at 5℃; for 2h; Product distribution / selectivity;92.5%
In ethyl acetate for 0.5h;
5-bromo-3-pyridinecarboxylic acid
20826-04-4

5-bromo-3-pyridinecarboxylic acid

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

(5-Bromo-pyridin-3-yl)-[4-(8-chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-methanone

(5-Bromo-pyridin-3-yl)-[4-(8-chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-methanone

Conditions
ConditionsYield
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide for 18h; Ambient temperature;92%
C11H12NO4(1-)*K(1+)

C11H12NO4(1-)*K(1+)

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

C29H30ClN3O2

C29H30ClN3O2

Conditions
ConditionsYield
With manganese(IV) oxide; copper(l) iodide; zinc diacetate In N,N-dimethyl-formamide at 30℃; for 20h; Inert atmosphere; Sealed tube; chemoselective reaction;92%
pentafluorophenyl isocyanate
1591-95-3

pentafluorophenyl isocyanate

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-N-(perfluorophenyl)piperidine-1-carboxamide

4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-N-(perfluorophenyl)piperidine-1-carboxamide

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 3h;92%
descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

3-Phenylpropionic acid
501-52-0

3-Phenylpropionic acid

1-[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-3-phenyl-propan-1-one

1-[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-3-phenyl-propan-1-one

Conditions
ConditionsYield
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 4℃; for 0.5h;91%
3,4-dihydroxyphenylacetate
102-32-9

3,4-dihydroxyphenylacetate

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

1-[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-2-(3,4-dihydroxy-phenyl)-ethanone

1-[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-2-(3,4-dihydroxy-phenyl)-ethanone

Conditions
ConditionsYield
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 4℃; for 0.5h;90.3%
erythro-2-phenyl-3-methylpentanoic acid
7782-37-8

erythro-2-phenyl-3-methylpentanoic acid

descarboethoxyloratadine
100643-71-8

descarboethoxyloratadine

1-[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-3-methyl-2-phenyl-pentan-1-one

1-[4-(8-Chloro-5,6-dihydro-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidin-1-yl]-3-methyl-2-phenyl-pentan-1-one

Conditions
ConditionsYield
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 4℃; for 0.5h;90%

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