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
Cas:604-82-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiry1.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
Cas:604-82-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryShandong 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
Cas:604-82-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin
Cas:604-82-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry3-Hydroxy-D-homo-17a-oxaestra-1,3,5(10)-trien-17-one Application:Organic Chemicals
3-Hydroxy-D-homo-17a-oxaestra-1,3,5(10)-trien-17-one cas 604-82-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:604-82-0
Min.Order:0
Negotiable
Type:Other
inquiry(4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromen-2-one CAS No.: 604-82-0 Storage:as prescribe by the manufaurer Package:pack as requested
Cas:604-82-0
Min.Order:100 Kilogram
Negotiable
Type:Trading Company
inquiry1. Our staff are all biomedical related majors with rich experience in the pharmaceutical industry, and can provide you with more professional services.2. Our supplier has a good quality management system, and the quality of products is reliable and
High purity Application:Pharmaceutical intermediates, Material synthesis and analyzing the expectant ingredients
Estrone
(4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromen-2-one
Conditions | Yield |
---|---|
With calcium tetrakis(pentafluorophenyl)borate undecahydrate; dihydrogen peroxide; oxalic acid In 1,2-dichloro-ethane at 50℃; for 4h; Baeyer-Villiger Ketone Oxidation; regioselective reaction; | 88% |
(4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromen-2-one
Conditions | Yield |
---|---|
With hydrogenchloride | 84% |
3-acetoxy-17a-oxa-D-homo-estra-1,3,5(10)-trien-17-one
(4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromen-2-one
Conditions | Yield |
---|---|
With sodium hydroxide Behandeln der Reaktionsloesung mit Kohlendioxid und anschliessendes Ansaeuern mit wss. Salzsaeure; |
(4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromen-2-one
Conditions | Yield |
---|---|
With sodium hydroxide; dihydrogen peroxide Ansaeuern des Reaktionsgemisches mit wss. Salzsaeure; |
A
(4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromen-2-one
Conditions | Yield |
---|---|
With toluene Erwaermen des Reaktionsgemisches mit wss.-methanol. Natronlauge und anschliessendes Ansaeuern mit wss. Salzsaeure; |
A
(4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromen-2-one
B
3-hydroxy-17a-oxa-D-homo-13α-estra-1,3,5(10)-trien-17-one
Conditions | Yield |
---|---|
With toluene Erwaermen des Reaktionsgemisches mit wss.-methanol. Natronlauge und anschliessendes Ansaeuern mit wss. Salzsaeure; |
estrone acetate
(4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromen-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic acid; aqueous hydrogen peroxide / unter Lichtausschluss 2: aqueous methanol. NaOH-solution / Behandeln der Reaktionsloesung mit Kohlendioxid und anschliessendes Ansaeuern mit wss. Salzsaeure View Scheme |
(4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromen-2-one
Conditions | Yield |
---|---|
With sulphamoyl chloride In N,N-dimethyl acetamide at 0 - 20℃; for 6h; sulfamoylation; | 89% |
With sulphamoyl chloride; sodium hydride In DMF (N,N-dimethyl-formamide); toluene at 20℃; | 54% |
(4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromen-2-one
formic acid ethyl ester
3-hydroxy-16-(hydroxymethylene)-17-oxo-17a-oxa-D-homo-estra-1,3,5(10)-triene
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide | 76% |
benzoyl chloride
(4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromen-2-one
Conditions | Yield |
---|---|
With pyridine |
propionic acid anhydride
(4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromen-2-one
Conditions | Yield |
---|---|
With pyridine |
dimethyl sulfate
(4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromen-2-one
3-methoxy-17a-oxa-D-homo-estra-1,3,5(10)-trien-17-one
Conditions | Yield |
---|---|
With sodium hydroxide anschliessendes Ansaeuern; |
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