Format: precursor, yield, reference(s)
PART 1
benzaldehyde, 80-83, [1-7]
4-methylbenzaldehyde, *, [7,8]
2-fluorbenzaldehyde, 70-75, [9,10]
2-chlorobenzaldehyde, *, [7,11,12]
3-chlorobenzaldehyde, 34, [7,12]
4-chlorobenzaldehyde, *, [7,12,13]
2-bromobenzaldehyde, 50, [12-14]
3-bromobenzaldehyde, *, [15]
4-bromobenzaldehyde, *, [11]
2-iodobenzaldehyde, 65-70, [16]
2-nitrobenzaldehyde, *, [7,13,17,18]
3-nitrobenzaldehyde, 76, [3,7,11,13,19,20]
4-nitrobenzaldehyde, *, [3,5,7,13]
3-cyanobenzaldehyde, 42, [21]
3-thiocyanatbenzaldehyde, 80, [22]
4-thiocyanatbenzaldehyde, 70, [22]
2-carboxybenzaldehyde, *, [7,23]
[1] B Priebs, A 225, 319 (1884); DE Worrall, Org Synth Coll Vol I, 405 (1932)
[2] E Knoevenagel, L Walter, B 37, 4502 (1904)
[3] J Thiele, B 32, 1293 (1899)
[4] M Holleman, R 23, 283 (1904)
[5] J Thiele, S Haeckel, A 325, 1 (1902)
[6] CB Gairaud, GR Lappin, J Org Chem 18, 1 (1953)
[7] M Koremura, H Oku, T Shono, T Nakanishi, Takamine Kenkyusho Nempo 13, 205 (1961) [CA 57.16450 (1962)]
[8] DE Worral, Am Soc 60, 2841 (1938)
[9] AV Topchiev, VP Alaniya, MF Vagin, Doklady Akad SSSR 151, 114 (1963) [CA 59.10245 (1963)]
[10] DE Worral, HT Wolosinki, Am Soc 62, 2449 (1940)
[11] DE Worral, Am Soc 56, 1556 (1934)
[12] N Campbell, W Anderson, J Gilmore, Soc (1940) 446
[13] FGP Remfry, Soc 99, 282 (1911)
[14] DE Worrall, J Finkel, Am Soc 61, 2969 (1939)
[15] H Kondo, S Ishiwata, B 64, 1533 (1931)
[16] DE Worrall, F Benington, Am Soc 62, 493 (1940)
[17] L Bouveault, A Wahl, C R 135, 41 (1902); C (1902) II, 449
[18] L Bouveault, A Wahl, Bl [3] 29, 521 (1903)
[19] K H Slotta, G Szyszka, B 68, 184 (1935)
[20] AK De, J Indian Chem Soc 5, 29 (1928); C (1928) I, 2393
[21] KH Slotta, R Kethur, B 71, 59 (1938)
[22] JP19155 (1964) [CA 62.7864 (1965)]
[23] T Hashimoto, S Nagase, J Pharm Soc Japan 80, 1637 (1960) [CA 55.7415 (1961)]
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PART 2
2-hydroxybenzaldehyde, 34, [1-3]
3-hydroxybenzaldehyde, 66, [2,3]
4-hydroxybenzaldehyde, 60, [1,2,4]
4-acetoxybenzaldehyde, 11, [2,3]
4-benzyloxybenzaldehyde, *, [5]
3-benzyloxybenzaldehyde, *, [6]
4-benzoylbenzaldehyde, *, [2,5]
2-methoxybenzaldehyde, 82, [4]
3-methoxybenzaldehyde, *, [7]
4-methoxybenzaldehyde, 86, [1,4,8-15]
2-ethoxybenzaldehyde, 30, [4,16]
4-dimethylaminobenzaldehyde, *, [1,17]
4-diethylaminobenzaldehyde, 70, [16]
4-acetaminobenzaldehyde, 89, [1,16]
4-methylmercaptobenzaldehyde, *, [18]
4-ethylmercaptobenzaldehyde, *, [18]
4-allylmercaptobenzaldehyde, *, [18]
4-propyn-1-ylmercaptobenzaldehyde, *, [18]
4-aminosulfonbenzaldehyde, *, [19]
2,4-dichlorobenzaldehyde, 62, [1,20]
2,6-dichlorobenzaldehyde, 74, [16]
3,4-dichlorobenzaldehyde, *, [1]
[1] M Koremura, H Oku, T Shono, T Nakanishi, Takamine Kenkyusho Nempo 13, 205 (1961) [CA 57.16450 (1962)]
[2] FGP Remfry, Soc 99, 282 (1911)
[3] G Hahn, K Stiehl, B 71, 2154 (1938)
[4] CB Gairaud, GR Lappin, J Org Chem 18, 1 (1953)
[5] KW Rosenmund, B 46, 1034 (1913)
[6] H Kondo, S Ishiwata, B 64, 1533 (1931)
[7] JB Shoesmith, RJ Connor, Soc (1927) 2230
[8] DE Worrall, Am Soc 56, 1556 (1934)
[9] L Bouveault, A Wahl, C R 135, 41 (1902); C (1902) II, 449
[10] E Knoevenagel, L Walter, B 37, 4502 (1904)
[11] L Bouveault, A Wahl, Bl [3] 29, 521 (1903)
[12] KW Rosenmund, B 42, 4778 (1909)
[13] T Kondo, Y Shinozaki, J Pharm Soc Japan 49, 267 (1929) [CA 24.5294 (1930)]
[14] MPJM Jansen, R 50, 291 (1931)
[15] DE161171
[16] O Schales, HA Graefe, Am Soc 74, 4486 (1952)
[17] JR Merchant, SR Agrawal, J Indian chem Soc 40, 472 (1963) [CA 59.9846 (1963)]
[18] JP28323 [CA 62.11739 (1965)]
[19] JP467 [CA 59.11380 (1963)]
[20] MB Neher, EW Goldberg, RW Fairchild, J Org Chem 26, 5220 (1961)
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PART 3
2,3,6-trichlorobenzaldehyde, *, [1]
4-chloro-3-nitrobenzaldehyde, *, [2]
2-chloro-3-ethoxybenzaldehyde, 76, [3]
3-bromo-4-methoxybenzaldehyde, *, [4]
4-methoxy-3-chloromethylbenzaldehyde, *, [5]
3,5-dichloro-4-hydroxybenzaldehyde, 50, [6]
2,6-dichloro-3-methoxybenzaldehyde, 70, [7]
4-chloro-3-hydroxybenzaldehyde, 60, [2]
2-chloro-3-hydroxybenzaldehyde, 70, [7]
2-chloro-3-methoxybenzaldehyde, 80, [7]
4-chloro-3-rhodanbenzaldehyde, 50, [2]
5-chloro-2-hydroxybenzaldehyde, 12, [8]
3,4-dihydroxybenzaldehyde, *, [5]
2-hydroxy-4-methoxybenzaldehyde, *, [9]
2-hydroxy-3-methoxybenzaldehyde, 78, [10,11]
3-hydroxy-4-methoxybenzaldehyde, 63, [12,13]
[1] US3112346
[2] JP 28318 [CA 62.11736 (1965)]
[3] GS Sidhu, PB Sattur, SJ Hasan. J Sci Ind Research (India) 19C, 38 (1960) [CA 55.15381 (1961)]
[4] M Kondo, S Ishiwata, B 64, 1533 (1931)
[5] M Koremura, H Oku, T Shono, T Nakanishi, Takamine Kenkyusho Nempo 13, 205 (1961) [CA 57.16450 (1962)]
[6] JP26960 [CA 62.14569 (1965)]
[7] GS Sidhu, PB Sattur, SJ Hasan. J Sci Ind Research (India) 19C, 38 (1960) [CA 55.15381 (1961)] (sic)
[8] O Schales, HA Graeffe, Am Soc 74, 4486 (1952)
[9] MGS Rao, C Srikantia, MS Iyengar, Helv 12, 581 (1929)
[10] CB Gairaud, GR Lappin, J Org Chem 18, 1 (1953)
[11] VG Voronin, GD Kulikovskaya, LD Magda, Z Org Chim 1, 719 (1965) [CA 63.5546 (1965)]
[12] G Hahn, K Stiehl, B 71, 2154 (1938)
[13] G Hahn, F Rumpf, B 71, 2141 (1938)
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PART 4
3-hydroxy-4-ethoxybenzaldehyde, 18, [1]
4-hydroxy-3-methoxybenzaldehyde (vanillin), 95, [2-5]
4-hydroxy-3-ethoxybenzaldehyde, 75, [4]
2,3-dimethoxybenzaldehyde, 60, [4]
2,3-diethoxybenzaldehyde, 59, [1]
2,4-dimethoxybenzaldehyde, *, [3,13]
2,4-diethoxybenzaldehyde, *, [14]
3,4-dimethoxybenzaldehyde, 80, [4,15-19]
2,5-dimethoxybenzaldehyde, *, [20,21]
3,4-methylenedioxybenzaldehyde (piperonal), 75, [2,7,15,19,22-26]
3-methoxy-4-benzyloxybenzaldehyde, 97, [27-31]
4-methoxy-3-benzyloxybenzaldehyde, 88, [16,30]
[1] A Dornow, G Petsch, Ar 284, 153 (1951)
[2] M Koremura, H Oku, T Shono, T Nakanishi, Takamine Kenkyusho Nempo 13, 205 (1961) [CA 57.16450 (1962)]
[3] MGS Rao, C Srikantia, MS Iyengar, Helv 12, 581 (1929)
[4] CB Gairaud, GR Lappin, J Org Chem 18, 1 (1953)
[5] G Hahn, K Stiehl, B 71, 2154 (1938)
[6] DE Worrall, Am Soc 56, 1556 (1934)
[7] E Knoevenagel, L Walter, B 37, 4502 (1904)
[8] KW Rosenmund, B 46, 1034 (1913)
[9] R Stewart, RH Clark, Canad J Res 26B, 7 (1948)
[10] ON Tolkachev, VG Voronin, NA Preobrazhenskii, Z obsc Chim 28, 3320 (1958) [CA 53.14029 (1959)]
[11] DE247817
[12] SP Makarow, J pr 141, 77 (1934)
[13] C Mannich, M Falber, Ar 267, 601 (1929); C (1930) I, 77
[14] JR Merchant, AJ Mountwala, J Org Chem 23, 1774 (1958)
[15] KH Slotta, G Haberland, Ang Ch 46, 766 (1933)
[16] R Robinson, S Sugasawa, Soc (1931) 3163
[17] H Kondo, T Kondo, J Pharm Soc Japan 48, 56 (1927); C (928) II, 55
[18] G Barger, J Eisenbrand, L Eisenbrand, E Schlittler, B 66, 450 (1933)
[19] KW Rosenmund, B 43, 3412 (1910)
[20] FGP Remfry, Soc 99, 282 (1911)
[21] S Sugasawa, H Shigehara, B 74, 459 (1941)
[22] L Bouveault, A Wahl, CR 135, 41 (1902); C (1902) II, 449
[23] P Medinger, M 27, 238 (1906)
[24] L Bouveault, A Wahl, Bl [3] 29, 521 (1903)
[25] Y Tanaka, T Midzuno, J Pharm Soc Japan 49, 47 (1929); C (1929) I, 2978
[26] PW Neber, A Burgard, W Thier, A 526, 277 (1936)
[27] NA Lange, WE Hambourger, Am Soc 53, 3865 (1936)
[28] M Tomita, H Watanabe, J Pharm Soc Japan 58, 223 (1938); C (1939) I, 1978
[29] S Kobayashi, S P In phys chem Res 6, 149 (1927); C (1928) I, 1026
[30] E Spaeth, A Orechoff, F Kuffner, B 67, 1214 (1934)
[31] H Kondo e.a., Itsuu Kenkyusho Nempo 9, 1 (1958) [CA 54.1399 (1960)]