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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

Justicidin B

Cas:5707-96-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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

Justicidin B CAS NO.5707-96-0

Cas:5707-96-0

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

Justicidin B

Cas:5707-96-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

Nsc254665 CAS:5707-96-0 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 intermediates,

Nsc254665 CAS:5707-96-0

Cas:5707-96-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

Justicidin B

Cas:5707-96-0

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

Justicidin B CAS NO.5707-96-0

Cas:5707-96-0

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

Justicidin B CAS NO.5707-96-0

Cas:5707-96-0

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

Justicidin B CAS NO.5707-96-0

Cas:5707-96-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

Justicidin B CAS NO.5707-96-0

Cas:5707-96-0

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

Justicidin B CAS NO.5707-96-0

Cas:5707-96-0

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals

Justicidin B

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

Justicidin B

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

Justicidin B

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

Justicidin B CAS NO.5707-96-0 Application:Justicidin B CAS NO.5707-96-0

Justicidin B CAS NO.5707-96-0

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Other

inquiry

DB BIOTECH CO., LTD

best seller Application:API

Justicidin B

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

Justicidin B cas 5707-96-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Justicidin B cas 5707-96-0

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Other

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Justicidin B

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta

Justicidin B

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou ZeErRui Chemical Co., Ltd.

Hangzhou ZeErRui Chemical Co., Ltd. is focused on customization, research and development and production of APIs and advanced intermediates, which can effectively compensate for the deficiencies of traditional CRO and CMO. Priority of high-tech barri

Justicidin B

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Longxianng Runhui Trading Co.,Ltd

Justicidin B CAS NO.5707-96-0Appearance:off-white fine crystalline powder Storage:Dry and ventilated Package:Standard or as customer's require Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount

Justicidin B CAS NO.5707-96-0

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

5707-96-0

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Saiwante (shanghai) New Material Technology Co., Ltd.

Stable supply of goods and provision of high-quality services Application:As raw materials in the field of medicine and biology

Justicidin B CAS NO.5707-96-0

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Muhuang Technology Co., Ltd

best seller Application:API

Justicidin B

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Justicidin B

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Shaanxi Cuicheng Biomedical Technology Co., Ltd. is located in Chuangzhi Industrial Park, Economic and Technological Development Zone, Hanzhong City, Shaanxi Province, China. It is a company specializing in natural medicines and high-throughput sc

9-(3,4-dimethoxyphenyl)-8,8a-dihydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6(3aH)-one

Cas:5707-96-0

Min.Order:20 Milligram

Negotiable

Type:Trading Company

inquiry

Hubei Jusheng Technology Co., Ltd.,

1,Best Quality: Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so

Justicidin B CAS NO.5707-96-0

Cas:5707-96-0

Min.Order:10 Gram

FOB Price: $1.0 / 2.0

Type:Trading Company

inquiry

Shandong Jiashisheng Biotechnolgy Co.,Ltd

We are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for

Justicidin B CAS NO.5707-96-0

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

changchun tuocai technology co.,ltld

Justicidin B CAS NO.5707-96-0Appearance:off-white fine crystalline powder Storage:Dry and ventilated Package:Standard or as customer's require Application:intermediates Transportation:Delivery by EMS, DHL, FEDEX, UPS, TNT

Justicidin B CAS NO.5707-96-0

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Taizhou volsen chemical Co., Ltd

We are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for

Justicidin B CAS NO.5707-96-0

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Nanjing Raymon Biotech Co., Ltd.

Justicidin B CAS NO.5707-96-0Appearance:off-white fine crystalline powder Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier l

Justicidin B CAS NO.5707-96-0

Cas:5707-96-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

4-(3',4'-dimethoxyphenyl)-3-hydroxymethyl-6,7-methylenedioxy-3,4-dihydro-2-naphthoic acid γ-lactone
103844-18-4, 118626-89-4

4-(3',4'-dimethoxyphenyl)-3-hydroxymethyl-6,7-methylenedioxy-3,4-dihydro-2-naphthoic acid γ-lactone

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In chloroform; benzene for 48h; Heating;100%
2,3-bis-(hydroxymethyl)-6,7-methylenedioxy-1-(3',4'-dimethoxyphenyl)-naphthalene
42923-60-4

2,3-bis-(hydroxymethyl)-6,7-methylenedioxy-1-(3',4'-dimethoxyphenyl)-naphthalene

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
With 1-Phenylbut-1-en-3-one; dihydridotetrakis(triphenylphosphine)ruthenium In toluene for 10h; Heating;94%
With manganese(IV) oxide In dichloromethane at 20℃; for 48h;91%
2,3-bis-(hydroxymethyl)-6,7-methylenedioxy-1-(3',4'-dimethoxyphenyl)-naphthalene
42923-60-4

2,3-bis-(hydroxymethyl)-6,7-methylenedioxy-1-(3',4'-dimethoxyphenyl)-naphthalene

A

1-(3,4-dimethoxyphenyl)-3-hydroxymethyl-6,7-methylenedioxynaphthalene-2-carboxylic acid lactone
31888-76-3

1-(3,4-dimethoxyphenyl)-3-hydroxymethyl-6,7-methylenedioxynaphthalene-2-carboxylic acid lactone

B

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
With barium permanganate In dichloromethane at 20℃; for 48h;A 19%
B 80%
With bis(pyridine)silver permanganate In benzene for 2h; Heating;A 18.2%
B 56.6%
With pyridinium chlorochromate In chloroform for 12h; Ambient temperature;A 53.2%
B 25.3%
With silica gel; silver carbonate In benzene for 3h; Heating;A 14 mg
B 58 mg
6,7-methylenedioxy-1-(3,4-dimethoxyphenyl)naphthalene-2,3-dicarboxylic acid 2-ethyl ester
289622-32-8

6,7-methylenedioxy-1-(3,4-dimethoxyphenyl)naphthalene-2,3-dicarboxylic acid 2-ethyl ester

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
With lithium borohydride; sodium hydride In tetrahydrofuran; 1,4-dioxane for 28h; Heating;72%
α-(trans-3',4'-methylenedioxybenzylidene)-β-(3,4-dimethoxybenzyl)-γ-butyrolactone
72622-61-8

α-(trans-3',4'-methylenedioxybenzylidene)-β-(3,4-dimethoxybenzyl)-γ-butyrolactone

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In benzene for 24h; Heating;70%
erythro-3-<3'',4''-dimethoxy-α,α-bis(phenylthio)benzyl>-2-(α-hydroxy-3',4'-methylenedioxybenzyl)-γ-butyrolactone
103844-12-8

erythro-3-<3'',4''-dimethoxy-α,α-bis(phenylthio)benzyl>-2-(α-hydroxy-3',4'-methylenedioxybenzyl)-γ-butyrolactone

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
With trifluoroacetic acid for 2h; Heating;62%
With trifluoroacetic acid60%
C21H16O6

C21H16O6

A

justicidin B
17951-19-8

justicidin B

B

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
In dichloromethane at 0℃; for 0.166667h; Diels-Alder Cycloaddition; Flow reactor; Irradiation; regioselective reaction;A 17.3%
B 52.2%
1-(3',4'-dimethoxyphenyl)-6,7-methylenedioxynaphthalene-2,3-dicarboxylic anhydride
42923-53-5

1-(3',4'-dimethoxyphenyl)-6,7-methylenedioxynaphthalene-2,3-dicarboxylic anhydride

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
With sodium tetrahydroborate49.5%
3,4-methylenedioxyphenylethyne
57134-53-9

3,4-methylenedioxyphenylethyne

carbon dioxide
124-38-9

carbon dioxide

3,4-dimethoxyphenylpropargyl chloride
1184406-44-7

3,4-dimethoxyphenylpropargyl chloride

A

justicidin B
17951-19-8

justicidin B

B

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
With 18-crown-6 ether; silver(I) iodide In N,N-dimethyl acetamide at 100℃; under 760.051 Torr; for 5h; Molecular sieve;A 16%
B 16%
erythro-3-<3'',4''-dimethoxy-α,α-bis(phenylthio)benzyl>-2-(α-hydroxy-3',4'-methylenedioxybenzyl)-γ-butyrolactone
103844-12-8

erythro-3-<3'',4''-dimethoxy-α,α-bis(phenylthio)benzyl>-2-(α-hydroxy-3',4'-methylenedioxybenzyl)-γ-butyrolactone

A

retrochinensin
5707-96-0

retrochinensin

threo-3-(3'',4''-dimethoxybenzoyl)-2-(3',4'-methylenedioxy-α-phenylthiobenzyl)butyrolactone
103865-35-6, 118917-44-5

threo-3-(3'',4''-dimethoxybenzoyl)-2-(3',4'-methylenedioxy-α-phenylthiobenzyl)butyrolactone

erythro-3-(3'',4''-dimethoxybenzoyl)-2-(3',4'-methylenedioxy-α-phenylthiobenzyl)butyrolactone
103865-35-6, 118917-44-5

erythro-3-(3'',4''-dimethoxybenzoyl)-2-(3',4'-methylenedioxy-α-phenylthiobenzyl)butyrolactone

Conditions
ConditionsYield
With tin(IV) chloride In dichloromethane for 1h; Product distribution; Ambient temperature; attempted cyclisations of further derivatives with various acids;
3-(1',3'-benzodioxol-5'-ylmethylene)-4-(3'',4''-dimethoxybenzyl)dihydrofuran-2(5H)-one
50816-74-5

3-(1',3'-benzodioxol-5'-ylmethylene)-4-(3'',4''-dimethoxybenzyl)dihydrofuran-2(5H)-one

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In benzene for 24h; Heating;16 mg
dimethyl 6,7-methylenedioxy-(3',4'-dimethoxyphenyl)naphthalene-2,3-dicarboxylate
66130-46-9

dimethyl 6,7-methylenedioxy-(3',4'-dimethoxyphenyl)naphthalene-2,3-dicarboxylate

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 74 percent / LiAlH4 / tetrahydrofuran / 1.5 h / -78 - 0 °C
2: 80 percent / BaMnO4 / CH2Cl2 / 48 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 74 percent / LiAlH4 / tetrahydrofuran / 1.5 h / -78 - 0 °C
2: 91 percent / MnO2 / CH2Cl2 / 48 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 220 mg / LiAlH4 / tetrahydrofuran / 6 h / Heating
2: 58 mg / silica gel - silver carbonate / benzene / 3 h / Heating
View Scheme
3,4-dimethoxybenzyl-(6-formylbenzo[1,3]dioxol-5-yl)methanone
473253-65-5

3,4-dimethoxybenzyl-(6-formylbenzo[1,3]dioxol-5-yl)methanone

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 53 percent / NaOMe / methanol; tetrahydrofuran / 3 h / 0 °C
2: 74 percent / LiAlH4 / tetrahydrofuran / 1.5 h / -78 - 0 °C
3: 80 percent / BaMnO4 / CH2Cl2 / 48 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1: 53 percent / NaOMe / methanol; tetrahydrofuran / 3 h / 0 °C
2: 74 percent / LiAlH4 / tetrahydrofuran / 1.5 h / -78 - 0 °C
3: 91 percent / MnO2 / CH2Cl2 / 48 h / 20 °C
View Scheme
(3,4-dimethoxyphenyl)-(6-hydroxymethyl-benzo[1,3]dioxol-5-yl)methanol
473253-67-7

(3,4-dimethoxyphenyl)-(6-hydroxymethyl-benzo[1,3]dioxol-5-yl)methanol

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 65 percent / pyridinium chlorochromate; Al2O3 / CH2Cl2 / 0.5 h / 20 °C
2: 53 percent / NaOMe / methanol; tetrahydrofuran / 3 h / 0 °C
3: 74 percent / LiAlH4 / tetrahydrofuran / 1.5 h / -78 - 0 °C
4: 80 percent / BaMnO4 / CH2Cl2 / 48 h / 20 °C
View Scheme
Multi-step reaction with 4 steps
1: 65 percent / pyridinium chlorochromate; Al2O3 / CH2Cl2 / 0.5 h / 20 °C
2: 53 percent / NaOMe / methanol; tetrahydrofuran / 3 h / 0 °C
3: 74 percent / LiAlH4 / tetrahydrofuran / 1.5 h / -78 - 0 °C
4: 91 percent / MnO2 / CH2Cl2 / 48 h / 20 °C
View Scheme
diethyl 6,7-methylenedioxy-1-(3,4-dimethoxyphenyl)naphthalene-2,3-dicarboxylate
289622-27-1

diethyl 6,7-methylenedioxy-1-(3,4-dimethoxyphenyl)naphthalene-2,3-dicarboxylate

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 94 percent / potassium trimethylsilanolate / tetrahydrofuran / 5 h / 20 °C
2: 72 percent / NaH; LiBH4 / dioxane; tetrahydrofuran; various solvent(s) / 28 h / Heating
View Scheme
(S)-2-[1-Benzo[1,3]dioxol-5-yl-meth-(E)-ylidene]-3-(3,4-dimethoxy-benzyl)-butane-1,4-diol
94285-09-3

(S)-2-[1-Benzo[1,3]dioxol-5-yl-meth-(E)-ylidene]-3-(3,4-dimethoxy-benzyl)-butane-1,4-diol

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 4.0 mg / MnO2 / acetone / 20 h
2: 16 mg / DDQ / benzene / 24 h / Heating
View Scheme
3,4-dimethoxy-benzaldehyde
120-14-9

3,4-dimethoxy-benzaldehyde

polymer-PPh2(1+)-CH3*I(1-)

polymer-PPh2(1+)-CH3*I(1-)

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 60 percent / NaOMe / methanol / 2 h / Heating
2: 66 percent / Na, ethanol / 6 h / Ambient temperature
3: 70 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) / benzene / 24 h / Heating
View Scheme
(2E,3E)-3-(methoxycarbonyl)-2-((benzo[d][1,3]-dioxol-6-yl)methylene)-4-(3,4-dimethoxyphenyl)but-3-enoic acid
150715-15-4

(2E,3E)-3-(methoxycarbonyl)-2-((benzo[d][1,3]-dioxol-6-yl)methylene)-4-(3,4-dimethoxyphenyl)but-3-enoic acid

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 66 percent / Na, ethanol / 6 h / Ambient temperature
2: 70 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) / benzene / 24 h / Heating
View Scheme
α-piperonylidene-β-veratralidenesuccinic anhydride
42923-54-6, 53945-02-1, 91364-75-9

α-piperonylidene-β-veratralidenesuccinic anhydride

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
2: 220 mg / LiAlH4 / tetrahydrofuran / 6 h / Heating
3: 58 mg / silica gel - silver carbonate / benzene / 3 h / Heating
View Scheme
((3,4-dimethoxyphenyl)methylene)bis(phenylsulfane)
60354-22-5

((3,4-dimethoxyphenyl)methylene)bis(phenylsulfane)

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) BuLi / 1.) THF, - 78 deg C, 30 min; 2.) THF, -78 deg C, 90 min; 3.) THF, -78 deg C, 2 h
2: 62 percent / trifluoroacetic acid / 2 h / Heating
View Scheme
Multi-step reaction with 2 steps
2: 60 percent / TFA
View Scheme
3-(3'',4''-dimethoxybenzoyl)-2-(3',4'-methylenedioxy-α-phenylthiobenzyl)butyrolactone
103865-35-6, 118917-44-5

3-(3'',4''-dimethoxybenzoyl)-2-(3',4'-methylenedioxy-α-phenylthiobenzyl)butyrolactone

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 95 percent / NaBH4 / methanol / 4 h / 0 °C
2: 86 percent / BuLi / tetrahydrofuran / 2 h / -78 deg C to room temperature
3: 15 mg / K2CO3, FSO3Me / CH2Cl2 / 20 h / Ambient temperature
4: 100 percent / DDQ / benzene; CHCl3 / 48 h / Heating
View Scheme
Multi-step reaction with 3 steps
1: 95 percent / NaBH4 / methanol / 4 h / 0 °C
2: 50 percent / FSO3Me / CH2Cl2 / 18 h / Ambient temperature
3: 100 percent / DDQ / benzene; CHCl3 / 48 h / Heating
View Scheme
erythro-3-(α-benzoyloxy-3'',4''-dimethoxybenzyl)-2-(3',4'-methylenedioxy-α-phenylthiobenzyl)-γ-butyrolactone
118825-98-2, 118917-47-8, 144539-71-9

erythro-3-(α-benzoyloxy-3'',4''-dimethoxybenzyl)-2-(3',4'-methylenedioxy-α-phenylthiobenzyl)-γ-butyrolactone

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 15 mg / K2CO3, FSO3Me / CH2Cl2 / 20 h / Ambient temperature
2: 100 percent / DDQ / benzene; CHCl3 / 48 h / Heating
View Scheme
3,4-dimethoxy-benzaldehyde
120-14-9

3,4-dimethoxy-benzaldehyde

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 69 percent / HCl gas / CHCl3 / 1 h / 0 °C
2: 1.) BuLi / 1.) THF, - 78 deg C, 30 min; 2.) THF, -78 deg C, 90 min; 3.) THF, -78 deg C, 2 h
3: 62 percent / trifluoroacetic acid / 2 h / Heating
View Scheme
erythro-3-(α-hydroxy-3'',4''-dimethoxybenzyl)-2-(3,4-methylenedioxy-α-phenylthiobenzyl)-γ-butyrolactone
118825-97-1, 118917-46-7, 144539-70-8

erythro-3-(α-hydroxy-3'',4''-dimethoxybenzyl)-2-(3,4-methylenedioxy-α-phenylthiobenzyl)-γ-butyrolactone

retrochinensin
5707-96-0

retrochinensin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 86 percent / BuLi / tetrahydrofuran / 2 h / -78 deg C to room temperature
2: 15 mg / K2CO3, FSO3Me / CH2Cl2 / 20 h / Ambient temperature
3: 100 percent / DDQ / benzene; CHCl3 / 48 h / Heating
View Scheme
Multi-step reaction with 2 steps
1: 50 percent / FSO3Me / CH2Cl2 / 18 h / Ambient temperature
2: 100 percent / DDQ / benzene; CHCl3 / 48 h / Heating
View Scheme
retrochinensin
5707-96-0

retrochinensin

2,3-bis-(hydroxymethyl)-6,7-methylenedioxy-1-(3',4'-dimethoxyphenyl)-naphthalene
42923-60-4

2,3-bis-(hydroxymethyl)-6,7-methylenedioxy-1-(3',4'-dimethoxyphenyl)-naphthalene

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 6h;65%

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