CAS No.511-09-1,ALPHA-ERGOCRYPTINE Suppliers

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Synthetic route

: 511-09-1
α-ergocryptine

: 25447-66-9
Dihydroergocryptine

Conditions

Conditions	Yield
With palladium 10% on activated carbon; hydrogen In methanol at 35℃; for 3h; Inert atmosphere;	95%

: 511-09-1
α-ergocryptine

: 25614-03-3
Bromocriptine

Conditions

Conditions	Yield
With bromodimethylsulfoxonium bromide In dimethyl sulfoxide for 0.166667h; Ambient temperature;	93%
With pyridazinium bromide; 3-bromo-6-chloro-2-methylimidazo In dichloromethane for 0.0333333h; Ambient temperature;	75%
With ammonium hydroxide; sodium hydroxide In dichloromethane; di-isopropyl ether; water; hydrogen bromide; dimethyl sulfoxide

: 511-09-1
α-ergocryptine

A: (6aR,9R)-5a-Hydroxy-7-methyl-5-oxo-4,5,5a,6,6a,7,8,9-octahydro-indolo[4,3-fg]quinoline-9-carboxylic acid ((2R,5S,10aS,10bS)-10b-hydroxy-5-isobutyl-2-isopropyl-3,6-dioxo-octahydro-oxazolo[3,2-a]pyrrolo[2,1-c]pyrazin-2-yl)-amide

B: 25614-03-3
Bromocriptine

Conditions

Conditions	Yield
With water; hydrogen bromide In dimethyl sulfoxide for 0.333333h; Product distribution; Ambient temperature; halogenation of indole alkaloids with various halogenated agents;	A 8% B 72%

: 511-09-1
α-ergocryptine

: 2,3-dihydro-2-oxo-α-ergokryptine

Conditions

Conditions	Yield
With water; bromine In tetrahydrofuran; dichloromethane for 0.0166667h; Ambient temperature;	64%

: 511-09-1
α-ergocryptine

: 6'-Deoxo-α-ergokryptine

Conditions

Conditions	Yield
With lithium aluminium tetrahydride In tetrahydrofuran at -5℃; for 1h;	51%

: 511-09-1
α-ergocryptine

: 511-10-4
alpha-Ergocryptinine

Conditions

Conditions	Yield
In methanol at 19.9℃; Rate constant; epimerization at the C-8; var. solvents, var. pH;

2-bromo-α-ergocryptine base: 2-bromo-α-ergocryptine base

: 511-09-1
α-ergocryptine

: Bromocriptinmesilat

: 2857-97-8
trimethylsilyl bromide

: 511-09-1
α-ergocryptine

: 25614-03-3
Bromocriptine

Conditions

Conditions	Yield
With ammonium hydroxide; sodium chloride In ice-water; dichloromethane; di-isopropyl ether; dimethyl sulfoxide; ethyl acetate

: α-ergocryptine phosphate

α-ergocryptinine base: α-ergocryptinine base

: 2857-97-8
trimethylsilyl bromide

: 511-09-1
α-ergocryptine

: 25614-03-3
Bromocriptine

Conditions

Conditions	Yield
	4.7 g (0.007243 mole, 85%)
	4.7 g (0.007243 mole, 85%)

...Expand

α-ergocryptinine base: α-ergocryptinine base

: 2857-97-8
trimethylsilyl bromide

: 511-09-1
α-ergocryptine

: 25614-03-3
Bromocriptine

Conditions

Conditions	Yield
With ammonium hydroxide; sodium chloride In ice-water; dimethyl sulfoxide; ethyl acetate	mole, 87%)
With ammonium hydroxide; sodium chloride In ice-water; dimethyl sulfoxide; ethyl acetate	6.3 g (0.00967 mole, 87%)

...Expand

: 67-56-1
methanol

: 57529-04-1
2-chloro-1,3-dithiane

: 511-09-1
α-ergocryptine

: 77528-04-2
2-(1,3-dithian-2-yl)-α-ergocryptine

Conditions

Conditions	Yield
With sodium carbonate In dichloromethane; chloroform

...Expand

diispropyl ether: diispropyl ether

: 2857-97-8
trimethylsilyl bromide

: 511-09-1
α-ergocryptine

: 25614-03-3
Bromocriptine

Conditions

Conditions	Yield
With ammonium hydroxide; sodium chloride In ice-water; dichloromethane; dimethyl sulfoxide; ethyl acetate

...Expand

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