CAS No.100981-05-3,5-[BIS(METHYLSULFANYL)METHYLENE]-2,2-DIMETHYL-1,3-DIOXANE-4,6-DIONE Suppliers

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1,3-Dioxane-4,6-dione,5-[bis(methylthio)methylene]-2,2-dimethyl-

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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

1,3-Dioxane-4,6-dione,5-[bis(methylthio)methylene]-2,2-dimethyl-

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5-[Bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

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5-[BIS(METHYLSULFANYL)METHYLENE]-2,2-DIMETHYL-1,3-DIOXANE-4,6-DIONE

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5-[BIS(METHYLSULFANYL)METHYLENE]-2,2-DIMETHYL-1,3-DIOXANE-4,6-DIONE

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5-[Bis(Methylsulfanyl)Methylene]-2,2-diMethyl-[1,3]dioxan-4,6-dione

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5-[BIS(METHYLSULFANYL)METHYLENE]-2,2-DIMETHYL-1,3-DIOXANE-4,6-DIONE

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1,3-Dioxane-4,6-dione,5-[bis(methylthio)methylene]-2,2-dimethyl-

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Hangzhou Fandachem Co.,Ltd

5-[BIS(METHYLSULFANYL)METHYLENE]-2,2-DIMETHYL-1,3-DIOXANE-4,6-DIONEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express

5-[BIS(METHYLSULFANYL)METHYLENE]-2,2-DIMETHYL-1,3-DIOXANE-4,6-DIONE

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1,3-Dioxane-4,6-dione,5-[bis(methylthio)methylene]-2,2-dimethyl-

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ZHEJIANG JIUZHOU CHEM CO.,LTD

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5-[BIS(METHYLSULFANYL)METHYLENE]-2,2-DIMETHYL-1,3-DIOXANE-4,6-DIONE

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5-[Bis(Methylsulfanyl)Methylene]-2,2-diMethyl-[1,3]dioxan-4,6-dione

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1,3-Dioxane-4,6-dione,5-[bis(methylthio)methylene]-2,2-dimethyl- 100981-05-3 Storage:as prescribe by the manufacturer Package:pack as requested

1,3-Dioxane-4,6-dione,5-[bis(methylthio)methylene]-2,2-dimethyl-

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Synthetic route

: 75-15-0
carbon disulfide

: 2033-24-1
cycl-isopropylidene malonate

: 74-88-4
methyl iodide

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

Conditions

Conditions	Yield
Stage #1: carbon disulfide; cycl-isopropylidene malonate With triethylamine In dimethyl sulfoxide at 20℃; for 3h; Stage #2: methyl iodide In dimethyl sulfoxide	81%
Stage #1: carbon disulfide; cycl-isopropylidene malonate With triethylamine In dimethyl sulfoxide at 20℃; for 1h; Stage #2: methyl iodide In dimethyl sulfoxide at 20℃; Cooling;	52%
In dimethyl sulfoxide for 5h; Ambient temperature;	50%

...Expand

: 74-88-4
methyl iodide

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

Conditions

Conditions	Yield
Stage #1: cycl-isopropylidene malonate With carbon disulfide; triethylamine In dimethyl sulfoxide at 20℃; for 1h; Stage #2: methyl iodide In dimethyl sulfoxide at 0 - 20℃; for 15h;	28.8%

: 2033-24-1
cycl-isopropylidene malonate

: 74-88-4
methyl iodide

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

Conditions

Conditions	Yield
With carbon disulfide; triethylamine 1) DMSO, 1 h, rt, 2) 14 h; Yield given. Multistep reaction;
With carbon disulfide In N-methyl-acetamide; hexane; ethyl acetate; mineral oil; benzene

: 5-Dimercaptomethylene-2,2-dimethyl-[1,3]dioxane-4,6-dione; compound with triethyl-amine

: 74-88-4
methyl iodide

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

Conditions

Conditions	Yield
In dimethyl sulfoxide for 4h; Ambient temperature; Yield given;
In dimethyl sulfoxide at 0 - 20℃; for 4h;

: 2033-24-1
cycl-isopropylidene malonate

silver oxide: silver oxide

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: dimethylsulfoxide / 1 h / Ambient temperature 2: dimethylsulfoxide / 4 h / Ambient temperature View Scheme

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 134179-38-7
2-(2-(2-(2-azidoethoxy)ethoxy)ethoxy)ethylamine

: 5-(15-azido-7,10,13-trioxa-2-thia-4-azapentadecan-3-ylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione

Conditions

Conditions	Yield
In acetonitrile pH=7;	100%

: CGYTGYTGKD

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: C52H69N11O21S

Conditions

Conditions	Yield
With tris-(2-carboxyethyl)-phosphine hydrochloride In aq. phosphate buffer; acetonitrile pH=7.8;	99%

: CGTYGYAD

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: C43H52N8O18S

Conditions

Conditions	Yield
With tris-(2-carboxyethyl)-phosphine hydrochloride In aq. phosphate buffer; acetonitrile pH=7.8;	99%

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 615-36-1
2-bromoaniline

: 912824-70-5
5-[2-bromoanilino(methylthio)methylene]-2,2-dimethyl[1,3]dioxane-4,6-dione

Conditions

Conditions	Yield
Stage #1: 5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 20℃; for 1h; Stage #2: 2-bromoaniline In 2,2,2-trifluoroethanol at 20℃; for 1.5h; Further stages.;	98%
In 2,2,2-trifluoroethanol for 22h; Heating / reflux;	88%

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 107-15-3
ethylenediamine

: 100981-11-1
5-(imidazolidin-2-ylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione

Conditions

Conditions	Yield
In ethanol for 2h; Heating;	97%
In dichloromethane for 3h;	84%
In methanol; chloroform

: KGTGYCD

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: C37H50N8O16S

Conditions

Conditions	Yield
With tris-(2-carboxyethyl)-phosphine hydrochloride In aq. phosphate buffer; acetonitrile pH=7.8;	97%

: 96-50-4
2-thiazolylamine

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 123419-85-2
7-Methylthio-5-oxo-5H-thiazolo<3,2-a>pyrimidine-6-carboxylic acid

Conditions

Conditions	Yield
In ethanol at 80 - 85℃; for 2.5h;	96%

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 109-81-9
N-methyl-ethane-1,2-diamine

: 130158-36-0
2,2-dimethyl-5-(1-methyl-2-imidazolidinylidene)-1,3-dioxane-4,6-dione

Conditions

Conditions	Yield
In ethanol for 2h; Heating;	96%

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 6291-84-5
N-Methyl-1,3-propanediamine

: 130178-53-9
isopropylidene (1-methyl-2-hexahydropyrimidinylidene)malonate

Conditions

Conditions	Yield
In ethanol for 3h; Heating;	96%

: 3840-18-4
2-(o-tolyloxy)aniline

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 2,2-dimethyl-5-[methylsulfanyl-(2-o-tolyloxy-phenylamino)-methylene]-[1,3]dioxane-4,6-dione

Conditions

Conditions	Yield
In ethanol for 9h; Heating;	95.8%

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 109-76-2
Trimethylenediamine

: 130158-32-6
isopropylidene (2-hexahydropyrimidinylidene)malonate

Conditions

Conditions	Yield
In ethanol for 3h; Heating;	95%

: KTGYTYGCD

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: C50H66N10O20S

Conditions

Conditions	Yield
With tris-(2-carboxyethyl)-phosphine hydrochloride In aq. phosphate buffer; acetonitrile pH=7.8;	95%

: AGTYGYCD

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: C43H52N8O18S

Conditions

Conditions	Yield
With tris-(2-carboxyethyl)-phosphine hydrochloride In aq. phosphate buffer; acetonitrile pH=7.8;	95%

: CTGYTYGKD

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: C50H66N10O20S

Conditions

Conditions	Yield
With tris-(2-carboxyethyl)-phosphine hydrochloride In aq. phosphate buffer; acetonitrile pH=7.8;	95%

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 60-23-1
Cysteamine

: 130158-37-1
isopropylidene (2-thiazolidinylidene)malonate

Conditions

Conditions	Yield
In ethanol for 8h; Heating;	94%

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 14302-75-1
2,2-bis(aminomethyl)propane-1,3-diamine tetrahydrochloride

: 3,9-bis[(isopropylenedioxydicarbonyl)methylene]-2,4,8,10-tetraazaspiro[5.5]undecane

Conditions

Conditions	Yield
With triethylamine In ethanol; water for 2.5h; Ambient temperature;	93%

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 371-40-4
4-fluoroaniline

: 141993-75-1
5-[(4-fluorophenylamino)(methylthio)methylene]-2,2-dimethyl-4,6-dioxo-1,3-dioxane

Conditions

Conditions	Yield
In chloroform at 60℃; for 0.5h;	93%
In ethanol for 2h; Reflux;	78%

: 75-16-1
methylmagnesium bromide

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 593-51-1
methylamine hydrochloride

: 1254960-10-5
2,2-dimethyl-5-(1-methylamino-ethylidene)-1,3-dioxane-4,6-dione

Conditions

Conditions	Yield
Stage #1: methylmagnesium bromide; 5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione In tetrahydrofuran; diethyl ether at -4 - 20℃; for 1.16667h; Inert atmosphere; Stage #2: methylamine hydrochloride at 20℃; for 0.25h; Inert atmosphere;	93%

...Expand

: 75-16-1
methylmagnesium bromide

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 3852-22-0
<15N>-methylamine hydrochloride

: 1254960-11-6
C9H13(15)NO4

Conditions

Conditions	Yield
Stage #1: methylmagnesium bromide; 5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione In tetrahydrofuran; diethyl ether at -4 - 20℃; for 1.16667h; Inert atmosphere; Stage #2: <15N>-methylamine hydrochloride at 20℃; for 0.25h; Inert atmosphere;	93%

...Expand

: KTGYCTD

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: C39H54N8O17S

Conditions

Conditions	Yield
With tris-(2-carboxyethyl)-phosphine hydrochloride In aq. phosphate buffer; acetonitrile pH=7.8;	93%

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 107-11-9
1-amino-2-propene

: 131297-20-6
5-<(allylamino)(methylthio)methylene>-2,2-dimethyl-1,3-dioxane-4,6-dione

Conditions

Conditions	Yield
In ethanol for 24h; Ambient temperature;	91%

: 75-16-1
methylmagnesium bromide

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 623-33-6
glycine ethyl ester hydrochloride

: 1254960-13-8
ethyl 2-(1-(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)ethylamino)acetate

Conditions

Conditions	Yield
Stage #1: methylmagnesium bromide; 5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione In tetrahydrofuran; diethyl ether at -4 - 20℃; for 1.16667h; Inert atmosphere; Stage #2: glycine ethyl ester hydrochloride at 20℃; for 0.25h; Inert atmosphere;	91%

...Expand

: KALTHGPYCD

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: C55H77N13O19S

Conditions

Conditions	Yield
With tris-(2-carboxyethyl)-phosphine hydrochloride In aq. phosphate buffer; acetonitrile pH=7.8;	91%

: 107-10-8
propylamine

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 2,2-dimethyl-5-((methylthio)(propylamino)methylene)-1,3-dioxane-4,6-dione

Conditions

Conditions	Yield
In acetonitrile at 20℃; for 24h; pH=7;	91%

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 75-31-0
isopropylamine

: 130750-34-4
5-(Bis-isopropylamino-methylene)-2,2-dimethyl-[1,3]dioxane-4,6-dione

Conditions

Conditions	Yield
In ethanol for 48h; Ambient temperature;	90%

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 95-54-5
1,2-diamino-benzene

: 130158-34-8
isopropylidene (2-benzimidazolinylidene)malonate

Conditions

Conditions	Yield
In ethanol for 8h; Heating;	90%

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 5351-69-9
4-Phenyl-3-thiosemicarbazide

: 2,2-dimethyl-5-(5-(phenylamino)-1,3,4-thiadiazol-2(3H)-ylidene)-1,3-dioxane-4,6-dione

Conditions

Conditions	Yield
In water for 5h; Reflux; Green chemistry;	90%

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 137-07-5
2-amino-benzenethiol

: 130158-38-2
5-(benzo[d]thiazol-2(3H)-ylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione

Conditions

Conditions	Yield
In ethanol for 12h; Heating;	88%

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 106-40-1
4-bromo-aniline

: 123419-94-3
5-<4-Bromophenylamino(methylthio)methylene>-2,2-dimethyl-4,6-dioxo-1,3-dioxane

Conditions

Conditions	Yield
In ethanol for 4h; Heating;	88%
In chloroform at 60℃; for 1h;	88%
In aq. phosphate buffer; acetonitrile pH=7;

: 372-19-0
meta-fluoroaniline

: 100981-05-3
5-[bis(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

: 1185251-49-3
5-[3-fluoroanilino(methylthio)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione

Conditions

Conditions	Yield
In ethanol for 2h; Reflux;	87%

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