2-羟甲基苯并二氢吡喃 | 83278-86-8

• 物质功能分类: 医药中间体 - 杂环化合物 - 吡喃类化合物
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并吡喃
• 中文名称: 2-羟甲基苯并二氢吡喃
• 中文别名: 3,4-二氢-2H-苯并吡喃-2-甲醇
• 英文名称: 3,4-dihydro-2H-1-benzopyran-2-methanol
• 英文别名: hydroxymethyl-2 chromanne；2-hydroxymethylchromane；(chroman-2-yl)methanol；3,4-dihydro-2H-chromen-2-yl-methanol；3,4-dihydro-2H-chromen-2-ylmethanol
• CAS: 83278-86-8
• 化学式: C₁₀H₁₂O₂
• mdl: MFCD06658990
• 分子量: 164.204
• InChiKey: KDLVSGWUKFJFTL-UHFFFAOYSA-N

物化性质

• 熔点：
  44 °C
• 沸点：
  293.2±9.0 °C(Predicted)
• 密度：
  1.125±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.7
• 重原子数：
  12
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.4
• 拓扑面积：
  29.5
• 氢给体数：
  1
• 氢受体数：
  2

安全信息

• 海关编码：
  2932999099
• 危险性防范说明：
  P261,P280,P305+P351+P338
• 危险性描述：
  H302+H312+H332,H315,H319,H335
• 储存条件：
  应存于室温、避光且处于惰性气氛中保存。

SDS

Name:	3 4-Dihydro-2H-chromen-2-ylmethanol Material Safety Data Sheet
Synonym:
CAS:	83278-86-8

Section 1 - Chemical Product MSDS Name:3 4-Dihydro-2H-chromen-2-ylmethanol Material Safety Data Sheet
Synonym:

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Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
83278-86-8	3,4-Dihydro-2H-chromen-2-ylmethanol	97+%	unlisted

Hazard Symbols: XN
Risk Phrases: 21/22 36/37/38

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Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Harmful in contact with skin and if swallowed. Irritating to eyes, respiratory system and skin.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. Harmful if absorbed through the skin.
Ingestion:
Harmful if swallowed. May cause irritation of the digestive tract.
Inhalation:
Causes respiratory tract irritation.
Chronic:
Not available.

---

Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

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Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

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Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container.

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Section 7 - HANDLING and STORAGE
Handling:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage:
Store in a cool, dry place. Store in a tightly closed container.

---

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 83278-86-8: Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

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Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Liquid
Color: Colourless
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C10H12O2
Molecular Weight: 164.21

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Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong bases, halogens, halogenated agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported

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Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 83278-86-8 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
3,4-Dihydro-2H-chromen-2-ylmethanol - Not listed by ACGIH, IARC, or NTP.

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Section 12 - ECOLOGICAL INFORMATION

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Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

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Section 14 - TRANSPORT INFORMATION

IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

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Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 21/22 Harmful in contact with skin and if
swallowed.
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 23 Do not inhale gas/fumes/vapour/spray.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
WGK (Water Danger/Protection)
CAS# 83278-86-8: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 83278-86-8 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 83278-86-8 is not listed on the TSCA inventory.
It is for research and development use only.

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SECTION 16 - ADDITIONAL INFORMATION
N/A

反应信息

• 作为反应物：
  描述：

  2-羟甲基苯并二氢吡喃 在 乙酸乙烯酯 、 Pseudomonas fluorscens 作用下， 以 1,4-二氧六环 为溶剂， 反应 40.0h， 生成 (-)-(R)-3,4-dihydro-2H-1-benzopyran-2-methanol
  参考文献：
  名称：

  脂肪酶催化hydroxymethylchromanes的动力学拆分†

  摘要：

  通过在有机溶剂中用乙酸乙烯酯进行对映选择性酯交换反应，已实现了羟甲基苯并恶烷外消旋体2a和3a的有效动力学拆分。以高光学纯度（94和98％ee）以70％和38％的产率获得醇（-）- R - 2a和（-）- S - 3a。研究了酶源和溶剂性质对对映选择性的影响。

  DOI：

  10.1002/jhet.5570370450
• 作为产物：
  描述：

  色酮-2-甲酸 在 palladium on activated charcoal 、 氢气 、 溶剂黄146 、 diborane(6) 作用下， 以 四氢呋喃 、 水 为溶剂， 20.0 ℃ 、344.75 kPa 条件下， 反应 30.0h， 生成 2-羟甲基苯并二氢吡喃
  参考文献：
  名称：

  BROMODOMAIN INHIBITORS

  摘要：

  本发明涉及替代杂环衍生物化合物，包括所述化合物的组合物，以及通过抑制溴结构域介导的蛋白质乙酰赖氨酸区域的识别来进行表观遗传调控的所述化合物和组合物的用途。所述组合物和方法对于癌症和肿瘤性疾病的治疗是有用的。

  公开号：

  US20150111885A1
• 作为试剂：
  描述：

  甲基磺酰氯 、 (-)-(R)-3,4-dihydro-2H-1-benzopyran-2-methanol 在 三乙胺 作用下， 以 四氢呋喃 、 2-羟甲基苯并二氢吡喃 为溶剂， 以95%的产率得到(R)-3,4-dihydro-2H-1-benzopyran-2-methanol methanesulfonate (ester)
  参考文献：
  名称：

  EP1445324

  摘要：

  公开号：

文献信息

• Cobalt‐Catalyzed Aerobic Oxidative Cleavage of Alkyl Aldehydes: Synthesis of Ketones, Esters, Amides, and α‐Ketoamides
  作者：Tingting Li、Gerald B. Hammond、Bo Xu

  DOI：10.1002/chem.202101035

  日期：2021.7.7

  developed to synthesize ketones, esters, amides via the oxidative C−C bond cleavage of readily available alkyl aldehydes. Green and abundant molecular oxygen (O2) was used as the oxidant, and base metals (cobalt and copper) were used as the catalysts. This strategy can be extended to the one-pot synthesis of ketones from primary alcohols and α-ketoamides from aldehydes.

  开发了一种广泛适用的方法，通过容易获得的烷基醛的氧化 C-C 键裂解来合成酮、酯、酰胺。绿色且丰富的分子氧（O 2）用作氧化剂，贱金属（钴和铜）用作催化剂。该策略可以扩展到由伯醇合成酮和由醛合成α-酮酰胺的一锅法。
• [(benzodioxan, benzofuran or benzopyran) alkylamino] alkyl substituted
  申请人：Janssen Pharmaceutica N.V.

  公开号：US05541180A1

  公开（公告）日：1996-07-30

  The present invention is concerned with vasoconstricive [(benzodioxan, benzofuran or benzopyran)alkylamino]alkyl substituted guanidines having the formula ##STR1## the pharmaceutically acceptable acid addition salts thereof, and the stereochemically isomeric forms thereof, wherein X is O, CH.sub.2 or a direct bond; R.sup.1 is hydrogen or C.sub.1-6 alkyl; R.sup.2 is hydrogen, C.sub.1-6 alkyl, C.sub.3-6 alkenyl or C.sub.3-6 alkynyl; R.sup.3 is hydrogen or C.sub.1-6 alkyl; or R.sup.2 and R.sup.3 may be taken together to form a bivalent radical of formula --(CH.sub.2).sub.m --, wherein m is 4 or 5; or R.sup.1 and R.sup.2 taken together may form a bivalent radical of formula --CH.dbd.CH-- or of formula --(CH.sub.2).sub.n --, wherein n is 2, 3 or 4; or R.sup.3 may represent a bond when R.sup.1 and R.sup.2 taken together form a bivalent radical of formula --CH.dbd.CH--CH.dbd., --CH.dbd.CH--N.dbd., or --CH.dbd.N--CH.dbd.; R.sup.4 is hydrogen or C.sub.1-6 alkyl;Alk.sup.1 is a bivalent C.sub.1-3 alkanediyl radical; A is a bivalent radical of formula: ##STR2## wherein each R.sup.5 is hydrogen or C.sub.1-4 alkyl; wherein each R.sup.6 is hydrogen or C.sub.1-4 alkyl; Alk.sup.2 is C.sub.2-15 alkanediyl or C.sub.5-7 cycloalkanediyl; and each p is 0, 1 or 2; provided that [2-[(2,3-dihydro-1,4-benzodioxin-2-yl)methyl]amino]ethyl guanidine is excluded. Pharmaceuticals which are useful as vasoconstrictors. Compositions comprising said guanidine derivatives as active ingredients, processes for preparing said guanidine derivatives and novel N-cyano guanidine, intermediates; and a use as a medicine are described.

  本发明涉及具有以下结构的血管收缩性[(苯并二氧杂环戊烷、苯并呋喃或苯并吡喃)烷基氨基]烷基取代胍啶，其化学式为##STR1##其药学上可接受的酸盐，以及其立体化异构体形式，其中X为O、CH.sub.2或直接键；R.sup.1为氢或C.sub.1-6烷基；R.sup.2为氢、C.sub.1-6烷基、C.sub.3-6烯基或C.sub.3-6炔基；R.sup.3为氢或C.sub.1-6烷基；或R.sup.2和R.sup.3可以结合形成式为--(CH.sub.2).sub.m--的二价基团，其中m为4或5；或R.sup.1和R.sup.2结合在一起可以形成式为--CH.dbd.CH--或式为--(CH.sub.2).sub.n--的二价基团，其中n为2、3或4；或R.sup.3可以表示键，当R.sup.1和R.sup.2结合在一起形成式为--CH.dbd.CH--CH.dbd.、--CH.dbd.CH--N.dbd.或--CH.dbd.N--CH.dbd.的二价基团时；R.sup.4为氢或C.sub.1-6烷基；Alk.sup.1为二价C.sub.1-3烷二基基团；A为式的二价基团：##STR2##其中每个R.sup.5为氢或C.sub.1-4烷基；每个R.sup.6为氢或C.sub.1-4烷基；Alk.sup.2为C.sub.2-15烷二基或C.sub.5-7环烷二基；每个p为0、1或2；但[2-[(2,3-二氢-1,4-苯并二氧杂环戊烷-2-基)甲基]氨基]乙基胍啶被排除。作为血管收缩剂有用的药物。包含所述胍啶衍生物作为活性成分的组合物，制备所述胍啶衍生物的方法和新颖的N-氰基胍啶，中间体；以及作为药物的用途。
• A Highly Efficient, Mild, and Selective Cleavage of β-Methoxyethoxymethyl (MEM) Ethers by Cerium(III) Chloride in Acetonitrile
  作者：Gowravaram Sabitha、R. Satheesh Babu、M. Rajkumar、R. Srividya、J. S. Yadav

  DOI：10.1021/ol015585w

  日期：2001.4.1

  [structure: see text]. A highly selective cleavage of MEM ethers has been achieved in high yields using CeCl3.7H2O in refluxing acetonitrile under mild and neutral reaction conditions. The method is very rapid and compatible with other hydroxyl protecting groups such as Bn, TBDPS, Ac, Me, Tr, PMB, benzylidene, THP, MOM, BOM, and NHAc present in the substrate.

  [结构：见文字]。使用CeCl3.7H2O在温和中性反应条件下，在回流的乙腈中，可以高收率实现MEM醚的高选择性裂解。该方法非常快速，并且与存在于底物中的其他羟基保护基如Bn，TBDPS，Ac，Me，Tr，PMB，亚苄基，THP，MOM，BOM和NHAc兼容。
• Activity-Directed Synthesis with Intermolecular Reactions: Development of a Fragment into a Range of Androgen Receptor Agonists
  作者：George Karageorgis、Mark Dow、Anthony Aimon、Stuart Warriner、Adam Nelson

  DOI：10.1002/anie.201506944

  日期：2015.11.9

  Activity‐directed synthesis (ADS), a novel discovery approach in which bioactive molecules emerge in parallel with associated syntheses, was exploited to develop a weakly binding fragment into novel androgen receptor agonists. Harnessing promiscuous intermolecular reactions of carbenoid compounds enabled highly efficient exploration of chemical space. Four substrates were prepared, yet exploited in

  活性定向合成（ADS）是一种新的发现方法，其中生物活性分子与相关合成并行出现，被用来将弱结合片段开发成新型雄激素受体激动剂。利用类胡萝卜素化合物的混杂分子间反应可以高效地探索化学空间。制备了四种底物，并在 326 个反应中进行利用，以探索不同的化学空间；仅在生物活性的指导下，仅纯化了 9 个反应的产物，就发现了多种新型激动剂，其活性提高了 125 倍。值得注意的是，一种激动剂源自一种新颖的对映选择性转化；这是第一次仅根据产品的生物活性发现不对称反应。结果表明，ADS 是先导化合物生成工具包的重要补充，能够高效、快速地发现新颖且可合成的生物活性化学型。
• Discovery of a new class of potent, selective, and orally active prostaglandin D2 receptor antagonists
  作者：Kazuhiko Torisu、Kaoru Kobayashi、Maki Iwahashi、Yoshihiko Nakai、Takahiro Onoda、Toshihiko Nagase、Isamu Sugimoto、Yutaka Okada、Ryoji Matsumoto、Fumio Nanbu、Shuichi Ohuchida、Hisao Nakai、Masaaki Toda

  DOI：10.1016/j.bmc.2004.07.048

  日期：2004.10

  acetic acid analogs is presented since these compounds represent a new class of potent, selective, and orally active prostaglandin D2 (PGD2) receptor antagonists. Most of these compounds exhibit strong PGD2 receptor binding and PGD2 receptor antagonism in cAMP formation assays. When given orally, these new antagonists dramatically suppress allergic inflammatory responses, such as the PGD2-induced or

  提出了发现一系列N-（对烷氧基）苯甲酰基-2-甲基吲哚-4-乙酸类似物的过程，因为这些化合物代表了一类新的强效，选择性和口服活性前列腺素D2（PGD2）受体拮抗剂。这些化合物大多数在cAMP形成分析中表现出较强的PGD2受体结合和PGD2受体拮抗作用。口服时，这些新的拮抗剂可显着抑制过敏性炎症反应，例如PGD2诱导或OVA诱导的血管通透性增加。还讨论了结构活动关系（SAR）数据。

表征谱图