CAS 32305-98-9; 异丙烯基-2,3-二羟基-1,4-双二苯基膦丁烷; (-)-2,3-o-isopropylidene-2,3-dihydroxy-1,4- bis(diphenylphosphino)butane

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货号

品牌

产品名称

规格

包装、参考价格

O815299

MACKLIN

(2|R|,3|R|)-(-)-1,4-双(二苯基膦基)-2,3-O-异亚丙基-2,3-丁二醇

97%

76元/250mg; 268元/1g; 1010元/5g;

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储存：2~8°C,干燥,密封
状态：白色粉末或晶体

453464

J&K

(4R,5R)-(-)-2,2-Dimethyl-4,5-bis((diphenylphosphino)methyl)-1,3-dioxolane

98%

355元/250MG; 959元/1G; 3828元/5G;

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基本信息

分子式	C₃₁H₃₂O₂P₂
分子量	498.54
熔点	88-90
比旋光度([α]20D)	-27° to -25° (C=2.3, CHCl3)
MDL编码	MFCD00014107
Beilstein	1441045
EINECS 编号	250-984-2
存储条件	Store at 2-8℃

安全信息

图形或危害标志
提示语	Warning
危险说明	H315 H319 H335
防范说明	P261 P305+P351+P338
WGK	3

15-2970

Strem

(4R,5R)-(-)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane

99.5%

750元/250mg; 1875元/1g;

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237655

Sigma-Aldrich

(-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane

98%

3148.44元/1 G;

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产品说明

一般描述

(-)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane is a C₂ chelating diphosphine ligand for transition metal complexes during asymmetric catalysis.

包装

1 g in glass bottle

应用

用于原位制备手性氢化催化剂。

基本信息

经验(实验)分子式	C₃₁H₃₂O₂P₂
分子量	498.53
Beilstein	1441045
EC 号	250-984-2
MDL编号	MFCD00014107
PubChem化学物质编号	24854261
NACRES	NA.22

产品性质

质量水平	100
测定	98%
旋光性	[α]19/D −26°, c = 2.3 in chloroform
mp	88-90 ℃ (lit.)
储存温度	2-8℃
SMILES string	CC1(C)O[C@@H](CP(c2ccccc2)c3ccccc3)[C@H](CP(c4ccccc4)c5ccccc5)O1
InChI	1S/C31H32O2P2/c1-31(2)32-29(23-34(25-15-7-3-8-16-25)26-17-9-4-10-18-26)30(33-31)24-35(27-19-11-5-12-20-27)28-21-13-6-14-22-28/h3-22,29-30H,23-24H2,1-2H3/t29-,30-/m0/s1
InChI key	VCHDBLPQYJAQSQ-KYJUHHDHSA-N

安全信息

象形图
警示用语：	Warning
危险声明	H315 - H319 - H335
预防措施声明	P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
危险分类	Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官	Respiratory system
储存分类代码	11 - Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable
个人防护装备	dust mask type N95 (US), Eyeshields, Gloves

962034

Amethyst

(4R,5R)-(-)-2,2-Dimethyl-4,5-bis((diphenylphosphino)methyl)-1,3-dioxolane

97%, 用于合成

287元/250MG; 886元/1G; 3688元/5G;

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基本信息

分子式	C₃₁H₃₂O₂P₂
分子量	498.54
熔点	89-92
比旋光度([α]20D)	-27° to -25° (C=2.3, CHCl3)
MDL编码	MFCD00014107
Beilstein	1441045
EINECS 编号	250-984-2
存储条件	Store at 2-8℃

安全信息

图形或危害标志
提示语	Warning
危险说明	H315 H319 H335
防范说明	P261 P305+P351+P338
WGK	3

15-2970

Fluorochem

(4R,5R)-(-)-4,5-Bis(diphenylphosphinomethyl)-2,2-dimethyl-1,3-dioxolane

>97.0%(T)

3476元/1g;

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基本信息

CAS Number	32305-98-9
MDL Number	MFCD00014107
Melting Point	87-91℃

安全信息

图形或危害标志
危险性说明	H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation.
防范说明	P233: Keep container tightly closed. P260: Do not breathe . P261: Avoid breathing . P264: Wash hands thoroughly after handling. P271: Use only outdoors or in a well-ventilated area. P280: Wear . P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P312: Call a POISON CENTER or doctor/physician if you feel unwell. P321: Specific treatment (see relevant procedures. on this label). P332 + P313: If skin irritation occurs: Get medical advice/ attention. P337 + P313: If eye irritation persists: Get medical advice/attention. P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P362: Take off contaminated clothing and wash before reuse. P403: Store in a well-ventilated place. P403 + P233: Store in a well-ventilated place. Keep container tightly closed. P405: Store locked up. P501: Dispose of contents/container to in accordance with local regulation .