(2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯 (CAS No.71042-55-2)
![(2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯 71042-55-2](/media/business/equip_covers/equip_56896.png)
- 中文别名
- (2R,3R)-(-)-2,3-双(二苯基膦)双环[2.2.1]庚-5-烯；(2R,3R)-NORPHOS
- 英文名称
- (2R,3R)-(-)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene
- 分子式
- C31H28P2
- 所属类别
- 试剂实验设备
- 物化性质
- 白色至类白色结晶性粉末，分子量462.51。熔点约120-125℃，比旋光度[α]₂₀ᴰ=-150°(c=1, CHCl₃)。易溶于氯仿、二氯甲烷、四氢呋喃和甲苯等常见有机溶剂，不溶于水。对空气敏感，需在惰性气氛下储存与操作。
- 外观
- 白色至类白色结晶性粉末
- 熔点
- 120-125℃
- 纯度
- ≥98% (HPLC)
- 储存条件
- 密封、避光、2-8℃保存，充氮或氩气保护
English description（英文原文，共 1150 字符）
Product Name:(2R,3R)-(-)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene
English Name:(2R,3R)-(-)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene
CAS No.:71042-55-2
Aliases:(2R,3R)-NORPHOS, (R,R)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene
Molecular Formula:C31H28P2
Physical Properties:White to off-white crystalline powder; molecular weight 462.51. Melting point approximately 120-125°C; specific rotation [α]₂₀ᴰ=-150° (c=1, CHCl₃). Freely soluble in common organic solvents such as chloroform, dichloromethane, tetrahydrofuran and toluene; insoluble in water. Air-sensitive, store and handle under inert atmosphere.
Uses:Used as a chiral diphosphine ligand in rhodium-catalyzed asymmetric hydrogenation and palladium-catalyzed asymmetric allylic alkylation reactions. Also applied in other transition-metal-catalyzed asymmetric syntheses and in the preparation of chiral catalysts.
Technical Specifications:
Appearance: white to off-white crystalline powder
Melting point: 120-125°C
Specific rotation: [α]₂₀ᴰ=-150°±5° (c=1, CHCl₃)
Purity: ≥98% (HPLC)
Storage: sealed, protected from light, at 2-8°C under nitrogen or argon
English Name:(2R,3R)-(-)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene
CAS No.:71042-55-2
Aliases:(2R,3R)-NORPHOS, (R,R)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene
Molecular Formula:C31H28P2
Physical Properties:White to off-white crystalline powder; molecular weight 462.51. Melting point approximately 120-125°C; specific rotation [α]₂₀ᴰ=-150° (c=1, CHCl₃). Freely soluble in common organic solvents such as chloroform, dichloromethane, tetrahydrofuran and toluene; insoluble in water. Air-sensitive, store and handle under inert atmosphere.
Uses:Used as a chiral diphosphine ligand in rhodium-catalyzed asymmetric hydrogenation and palladium-catalyzed asymmetric allylic alkylation reactions. Also applied in other transition-metal-catalyzed asymmetric syntheses and in the preparation of chiral catalysts.
Technical Specifications:
Appearance: white to off-white crystalline powder
Melting point: 120-125°C
Specific rotation: [α]₂₀ᴰ=-150°±5° (c=1, CHCl₃)
Purity: ≥98% (HPLC)
Storage: sealed, protected from light, at 2-8°C under nitrogen or argon
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常见问题
- (2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯的 CAS 号是多少？
- (2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯的 CAS 号是 71042-55-2。
- (2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯的分子式和分子量是什么？
- (2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯的分子式为 C31H28P2。
- (2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯的英文名称是什么？
- (2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯的英文名称为 (2R,3R)-(-)-2,3-Bis(diphenylphosphino)bicyclo[2.2.1]hept-5-ene。
- (2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯还有哪些别名？
- (2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯又称 (2R,3R)-(-)-2,3-双(二苯基膦)双环[2.2.1]庚-5-烯、(2R,3R)-NORPHOS。
- (2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条(2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
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- (2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯的供应商主要分布在 上海市（1 条） 等地。
- (2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯有哪些级别可选？
- 平台上(2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯的供应级别包括 工业级。
- (2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯的报价单位是什么？
- (2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯的报价单位主要有 千克。
- 哪里可以查到(2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯的价格？
- 掌上化工(2R,3R)-(-)-2,3-双(二苯基磷)-双环[2.2.1]庚-5-烯产品页汇总了各供应商的最新报价与规格，地址：/chemicals/71042-55-2/。部分供应商价格为电议，可通过页面上的询价功能直接获取。
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