01433nas a2200217   4500008004100000022001400041245010200055210006900157260007500226300001200301520059500313653001400908653002000922653002900942653001100971653003300982653002201015100002801037700001901065856013101084       2007                        eng d  a0936-521400aEfficient one-pot synthesis of alpha-amino phosphonates catalyzed by bismuth nitrate pentahydrate0 aEfficient onepot synthesis of alphaamino phosphonates catalyzed   aRUDIGERSTR 14, D-70469 STUTTGART, GERMANYbGEORG THIEME VERLAG KGcMAR  a745-7483 a<p>A simple, efficient, and environmentally benign method has been developed for the synthesis of alpha-amino phosphonates through a one-pot reaction of aldehydes with amines and diethyl phosphite in the presence of bismuth nitrate pentahydrate as a catalyst. Some of the major advantages of this protocol are: good yields, the involvement of a less-expensive and non-toxic catalyst, mild and solvent-free reaction conditions and also tolerance towards other functional groups present in the substrates. Eighteen examples are described, highlighting the substrate scope of the reaction.</p>10aaldehydes10aalkyl phosphite10aalpha-amino phosphonates10aamines10abismuth nitrate pentahydrate10asynthetic methods1 aBhattacharya, Asish, K.1 aKaur, Tanpreet  uhttps://library.ncl.res.in/content/efficient-one-pot-synthesis-alpha-amino-phosphonates-catalyzed-bismuth-nitrate-pentahydrate01479nas a2200229   4500008004100000022001400041245009600055210006900151260010600220300001400326490000700340520059400347653001400941653002000955653002900975653001101004653002301015653002901038100002801067700002701095856012701122       2008                        eng d  a0040-403900aAmberlite-IR 120 catalyzed three-component synthesis of alpha-amino phosphonates in one-pot0 aAmberliteIR 120 catalyzed threecomponent synthesis of alphaamino  aTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLANDbPERGAMON-ELSEVIER SCIENCE LTDcAPR  a2598-26010 v493 a<p>A simple, efficient, and environmentally benign method for a three-component reaction of an amine, an aldehyde or a ketone, and diethyl phosphite catalyzed by Amberlite-IR 120 resin has been developed to afford alpha-amino phosphonates in high yields and short reaction times under solvent-free reaction conditions. The major advantages of the present method are good yields, inexpensive, ecofriendly and reusable catalyst, mild and solvent-free reaction conditions and tolerance towards various functionalities present in the substrates. (c) 2008 Elsevier Ltd. All rights reserved.</p>10aaldehydes10aalkyl phosphite10aalpha-amino phosphonates10aamines10aion-exchange resin10amulti-component reaction1 aBhattacharya, Asish, K.1 aRana, Kalpeshkumar, C.  uhttps://library.ncl.res.in/content/amberlite-ir-120-catalyzed-three-component-synthesis-alpha-amino-phosphonates-one-pot-001226nas a2200229   4500008004100000022001400041245012900055210006900184260008600253300001200339490000700351520034100358653002100699653001200720653001400732653002500746653002800771100002800799700002200827700002100849856012600870       2008                        eng d  a0039-791100aEfficient method for the synthesis of acylals from aldehydes under solvent-free conditions catalyzed by antimony trichloride0 aEfficient method for the synthesis of acylals from aldehydes und  a325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USAbTAYLOR & FRANCIS INCcMAY  a128-1340 v383 a<p>A mild and efficient method has been developed for the preparation of acylals from aldehydes catalyzed by antimony trichloride under solvent-free conditions in very good to excellent yields. The easy availability, low cost, and ease of handling of the catalyst make this procedure especially attractive for large-scale synthesis.</p>10aacetic anhydride10aAcylals10aaldehydes10aantimony trichloride10asolvent-free conditions1 aBhattacharya, Asish, K.1 aMujahid, Mohammad1 aNatu, Arvind, A.  uhttps://library.ncl.res.in/content/efficient-method-synthesis-acylals-aldehydes-under-solvent-free-conditions-catalyzed-001309nas a2200229   4500008004100000022001400041245009600055210006900151260008600220300001400306490000700320520045200327653002300779653001400802653001100816653002000827653002900847653002800876100002800904700002200932856012500954       2013                        eng d  a0039-791100aEfficient bakers' yeast-catalyzed multicomponent synthesis of -aminophosphonates in one pot0 aEfficient bakers yeastcatalyzed multicomponent synthesis of amin  a325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USAbTAYLOR & FRANCIS INCcOCT  a2583-25890 v433 a<p>Utilizing bakers' yeast (Saccharomyces cerevisiae) as a biocatalyst, synthesis of -aminophosphonates in one pot has been accomplished by the three-component reaction of an aldehyde, an amine, and diethyl phosphite in moderate to good yields under solvent-free reaction conditions. Supplemental materials are available for this article. Go to the publisher's online edition of Synthetic Communications (R) to view the free supplemental file.</p>10a-aminophosphonates10aaldehydes10aamines10agreen chemistry10aSaccharomyces cerevisiae10asolvent-free conditions1 aBhattacharya, Asish, K.1 aMujahid, Mohammad  uhttps://library.ncl.res.in/content/efficient-bakers-yeast-catalyzed-multicomponent-synthesis-aminophosphonates-one-pot-0